Crossbow Quiver – Fits 4 Arrows (5.5 mm-8.8mm) – Quick-Detach Picatinny Mount

Versatile, compact quiver that locks in up to 4 arrows of any length and diameters from micro 5.5 mm (0.236″) to standard 8.8 mm (0.346″). The quick-detach Picatinny mount attaches or removes in seconds; an integrated rigid hanging loop works on tree-stand hooks, branches, or tripods. Foam insert secures most broadheads, and the adjustable mount lets you position the quiver exactly where you want it on the bow—ideal with BALLISTA STING and PIERCER arrows.

accesorio 1

The BALLISTA STING Hunting Bolts for Crossbows are designed to provide hunters with precision, speed, and penetration. Crafted from durable carbon, these bolts feature a micro-diameter shaft for enhanced accuracy, making them ideal for both target practice and hunting. Available in two sizes: 13” with a 11” shaft and 16” (406mm) with a 11” (356mm) shaft. These bolts are compatible with Ballista BAT, Ballista BAT Reverse, and other pistol crossbows, but are not suitable for the Ballista BAT Reverse with Magazine. Each bolt is equipped with a half-moon nock, field tip, and an aluminum penetrator insert for broadheads. Pack of 6.

6mm Lighted Nocks - High Visibility LED, Long Battery Life - Blue / Red / Green - 3 pc

Enhance your archery hunting experience with our Lighted Nocks, available in vibrant green, red, blue and yellow. Designed to fit crossbow bolts with a 0.300″ (7.62mm) inner diameter, these lighted nocks offer maximum light transmission and high visibility, making it easy to locate your arrows even in low-light conditions. With no assembly required, you can use them straight out of the package. Featuring a long battery life of over 72 hours, these lightweight nocks are built to last. They are bow string activated with an easy-to-turn-off switch, ensuring convenience and reliability on every hunt. For the best performance, pair them with PIERCER Ballista bolts.

Mechanical Broadheads – 100 Grain, 2-Blade Expandable – 3 Pack

BALLISTA 100 Grain Mechanical Broadheads deliver devastating performance and field-point accuracy for serious hunters. Their 2-blade expandable design deploys on impact to create a massive cutting diameter, ensuring quick and ethical takedowns. The 100-grain weight provides an optimal balance of speed and kinetic energy for deep penetration. Constructed with razor-sharp stainless steel blades and a durable aluminum ferrule, these broadheads are engineered for reliability and maximum impact. Available in a convenient 3-pack.

Stainless Steel Penetrator Insert Adapter Archery Arrow Shaft ID 4.2mm (12pcs)

Enhance your archery setup with the Stainless Steel Penetrator Insert, designed for arrow shafts with ID 4.2mm. Made from durable stainless steel, these inserts provide excellent performance and precision. Ideal for both target shooting and hunting, they ensure a secure fit between micro-diameter arrow shafts (OD 6mm) and standard tips or broadheads (OD 7.6mm). Each pack contains 12 inserts, making them a great value for any archer. Easy to install and perfect for improving accuracy, these inserts are a must-have accessory for serious archers. Weight: 120 grains.

Bottom Picatinny Rail for Ballista Bat Reverse Pistol Crossbow

Enhance your shooting experience with the Bottom Picatinny Rail for the Ballista Bat Reverse Pistol Crossbow. Made from CNC machined anodized aluminum, this durable rail measures 6.29″ in length and allows for easy attachment of accessories like flashlights, laser sights, and foregrips. Built to last, it ensures secure and stable mounting, improving shooting accuracy. Compatible with the BALLISTA BAT Reverse, this rail is simple to install and adds versatility to your crossbow setup. Ideal for any shooting environment.

Bowfishing Arrows for Pistol Crossbow BALLISTA BAT (Pack of 3)

Enhance your bowfishing adventures with Ballista Bowfishing Arrows, specifically designed for pistol crossbows. This pack includes 3 arrows, each measuring 15 inches in length and 0.23 inches in diameter, offering durability and precision for every shot. Compatible with Ballista BAT and Ballista BAT Reverse models, these arrows ensure superior performance, whether you're targeting Asian carp or just practicing your aim. Please note: they are not compatible with Ballista BAT Reverse with Magazine. Crafted for reliability, these arrows provide consistent accuracy, making them perfect for both experienced anglers and newcomers.

Bowfishing Reel Mount - Fishing Reel Seat Aluminum Anchor Holder

The Bowfishing Reel Mount is a durable and reliable accessory crafted from aluminum alloy and stainless steel. It fits any fishing reel but works best with spincast reels. Designed to mount seamlessly on compound or recurve bows with a stabilizer mounting hole, it’s easy to install and requires no additional parts or tools. The mount ensures a secure and stable connection, allowing you to focus on your catch. Weighing 5 oz and measuring 5.25" in length, it offers long-lasting performance for both novice and experienced bowfishers. (Reel not included).

BL33 Spincast Reel for Casting Rod, Bowfishing, Slingshot Fishing

The BALLISTA BL33 Spincast Fishing Reel is a top-tier bowfishing reel designed for both beginners and experts. Lightweight (8 oz) and compact (4.25 inches), it ensures easy handling and portability. Built with corrosion-resistant materials, it’s perfect for both freshwater and saltwater use. Featuring a smooth drag system, push-button casting, 6+1 ball bearings, adjustable pitch, and a 3.6:1 gear ratio, it delivers outstanding performance. Pre-loaded with 50lb braided X8 line, the BL33 reel boasts durable die-cast alloy internal gears and a reversible soft rubber handle for comfort and versatility.

High-Strength Plastic Sleeve for Bowfishing Reel Mount

Enhance your bowfishing with the High-Strength Plastic Sleeve for Bowfishing Reel Mount. Crafted from durable polymer, it ensures a secure, stable fit for your reel mount, providing reliability in demanding conditions. The lightweight design adds minimal weight, offering easy maneuverability, while the simple installation makes it a convenient upgrade for both novice and experienced bowfishers. This sleeve enhances the performance and versatility of your bowfishing setup, ensuring precision with every shot. Ideal for various setups, it boosts your gear’s reliability.

Mighty Tactical Quick Release Scope Ring Mount 25.4mm/30mm for 20mm Rail

The Quick Release Scope Ring Mount offers convenience and durability for 25.4mm and 30mm scopes or flashlights. Made from high-quality aluminum alloy, it fits standard 20mm rails and features a quick-release mechanism for easy installation and removal. The mount ensures a secure attachment with a screw that keeps your scope or flashlight stable during use. Its sleek matte black finish adds style while withstanding tough conditions. Perfect for hunting, tactical applications, and more, this versatile mount combines functionality and reliability.

accesorio 1

The BALLISTA STING Hunting Bolts for Crossbows are designed to provide hunters with precision, speed, and penetration. Crafted from durable carbon, these bolts feature a micro-diameter shaft for enhanced accuracy, making them ideal for both target practice and hunting. Available in two sizes: 13” with a 11” shaft and 16” (406mm) with a 11” (356mm) shaft. These bolts are compatible with Ballista BAT, Ballista BAT Reverse, and other pistol crossbows, but are not suitable for the Ballista BAT Reverse with Magazine. Each bolt is equipped with a half-moon nock, field tip, and an aluminum penetrator insert for broadheads. Pack of 6.

accesorio 1

The BALLISTA STING Hunting Bolts for Crossbows are designed to provide hunters with precision, speed, and penetration. Crafted from durable carbon, these bolts feature a micro-diameter shaft for enhanced accuracy, making them ideal for both target practice and hunting. These bolts are compatible with Ballista BAT, Ballista BAT Reverse, and other pistol crossbows, but are not suitable for the Ballista BAT Reverse with Magazine. Each bolt is equipped with a half-moon nock, field tip, and an SS penetrator insert for broadheads. Pack of 3.

Mechanical Broadheads – 100 Grain, 2-Blade Expandable – 3 Pack

BALLISTA 100 Grain Mechanical Broadheads deliver devastating performance and field-point accuracy for serious hunters. Their 2-blade expandable design deploys on impact to create a massive cutting diameter, ensuring quick and ethical takedowns. The 100-grain weight provides an optimal balance of speed and kinetic energy for deep penetration. Constructed with razor-sharp stainless steel blades and a durable aluminum ferrule, these broadheads are engineered for reliability and maximum impact. Available in a convenient 3-pack.

Carbon Bolts 12.8" for Pistol Crossbow BALLISTA BAT (Pack of 6)

BALLISTA 12.8" Carbon Bolts are designed for precision shooting with the Ballista BAT, BAT Reverse, and compatible pistol crossbows. Made from pure carbon, these lightweight yet durable bolts feature a steel tip and half-moon nock for exceptional accuracy. Ideal for both practice and competition, this pack of six ensures reliable performance. Compatible with Ballista BAT, BAT Reverse, and some other pistol crossbows. Not compatible with Ballista BAT Reverse with Magazine. Bolt length: 12.8", shaft length: 11.8", OD: 5.5mm, weight: 140 grains.

Stainless Steel Penetrator Insert Adapter Archery Arrow Shaft ID 4.2mm (12pcs)

Enhance your archery setup with the Stainless Steel Penetrator Insert, designed for arrow shafts with ID 4.2mm. Made from durable stainless steel, these inserts provide excellent performance and precision. Ideal for both target shooting and hunting, they ensure a secure fit between micro-diameter arrow shafts (OD 6mm) and standard tips or broadheads (OD 7.6mm). Each pack contains 12 inserts, making them a great value for any archer. Easy to install and perfect for improving accuracy, these inserts are a must-have accessory for serious archers. Weight: 120 grains.

Copper Penetrator Insert Adapter Archery Arrow Shaft ID 4.2mm (12pcs)

Upgrade your archery setup with the Copper Penetrator Insert, designed for a perfect fit with Arrow Shaft ID 4.2mm. Made from high-quality copper, these inserts provide exceptional strength, precision, and durability. They ensure a secure connection between your micro-diameter arrow shaft and standard tips or broadheads with OD 7.6mm. Ideal for both hunting and target practice, these inserts enhance accuracy and performance. Available in a pack of 12, they are a must-have for any archer looking to improve their shooting experience. Weight: 125 grains. Compatible with 4.2mm arrow shafts.

6mm Lighted Nocks - High Visibility LED, Long Battery Life - Blue / Red / Green - 3 pc

Enhance your archery hunting experience with our Lighted Nocks, available in vibrant green, red, blue and yellow. Designed to fit crossbow bolts with a 0.300″ (7.62mm) inner diameter, these lighted nocks offer maximum light transmission and high visibility, making it easy to locate your arrows even in low-light conditions. With no assembly required, you can use them straight out of the package. Featuring a long battery life of over 72 hours, these lightweight nocks are built to last. They are bow string activated with an easy-to-turn-off switch, ensuring convenience and reliability on every hunt. For the best performance, pair them with PIERCER Ballista bolts.

Bowfishing Arrows for Pistol Crossbow BALLISTA BAT (Pack of 3)

Enhance your bowfishing adventures with Ballista Bowfishing Arrows, specifically designed for pistol crossbows. This pack includes 3 arrows, each measuring 15 inches in length and 0.23 inches in diameter, offering durability and precision for every shot. Compatible with Ballista BAT and Ballista BAT Reverse models, these arrows ensure superior performance, whether you're targeting Asian carp or just practicing your aim. Please note: they are not compatible with Ballista BAT Reverse with Magazine. Crafted for reliability, these arrows provide consistent accuracy, making them perfect for both experienced anglers and newcomers.

Bowfishing Kit: Complete Set for Crossbows - Includes Reel, Mount + Sleeve, Ring, Arrows

The BALLISTA Bowfishing Kit is the ultimate setup for every bowfishing adventure. Compatible with the Ballista BAT and BAT Reverse crossbows, it includes 3 durable fiberglass arrows, a high-quality BL33 or BL25 Spincast Bowfishing Reel, and a robust reel mount. The BL33 features a 3.6:1 gear ratio and 45 yards of 5# line, while the BL25 has a 3.3:1 gear ratio with 40 meters of 5# line. The kit also includes a polymer sleeve, quick-release ring mount, and all necessary components for easy installation and enhanced performance. Perfect for beginners and pros alike.

AquaSnipe BL40 Bowfishing Reel for Bowfishing, Slingshots & Casting Rods

The BALLISTA AquaSnipe BL40 is a versatile and durable spincast reel designed for bowfishing enthusiasts who demand performance and reliability. Built with a corrosion-resistant body and strong internal gearing, the BL40 is ideal for reeling in carp, gar, barramundi, and other hard-fighting fish. It comes pre-spooled with 200 lb monofilament line (30 yards), ready to go right out of the box. With a convertible handle for right or left-hand use, this reel offers comfort and flexibility for all users.

BL33 Spincast Reel for Casting Rod, Bowfishing, Slingshot Fishing

The BALLISTA BL33 Spincast Fishing Reel is a top-tier bowfishing reel designed for both beginners and experts. Lightweight (8 oz) and compact (4.25 inches), it ensures easy handling and portability. Built with corrosion-resistant materials, it’s perfect for both freshwater and saltwater use. Featuring a smooth drag system, push-button casting, 6+1 ball bearings, adjustable pitch, and a 3.6:1 gear ratio, it delivers outstanding performance. Pre-loaded with 50lb braided X8 line, the BL33 reel boasts durable die-cast alloy internal gears and a reversible soft rubber handle for comfort and versatility.

BL25 Spincast Bowfishing Reel - Slingshot Bow Fishing Stainless Steel

The BALLISTA BL25 Spincast Bowfishing Reel is a corrosion-resistant, durable reel designed for smooth and reliable performance. Made with die-cast alloy internal gears, it features a 3.3:1 gear ratio for fast line retrieval, perfect for bowfishing and slingshot fishing. The reel is versatile, suitable for use with a casting rod as well. It has a stainless steel counterbalanced rocker arm and is equipped with a 5# (0.37mm/50lb) line for 40 yards of capacity. Weighing 9.8 oz, it offers long-lasting reliability with 1+1BB ball bearings.

Mighty Tactical Quick Release Scope Ring Mount 25.4mm/30mm for 20mm Rail

The Quick Release Scope Ring Mount offers convenience and durability for 25.4mm and 30mm scopes or flashlights. Made from high-quality aluminum alloy, it fits standard 20mm rails and features a quick-release mechanism for easy installation and removal. The mount ensures a secure attachment with a screw that keeps your scope or flashlight stable during use. Its sleek matte black finish adds style while withstanding tough conditions. Perfect for hunting, tactical applications, and more, this versatile mount combines functionality and reliability.

Bowfishing Reel Mount - Fishing Reel Seat Aluminum Anchor Holder

The Bowfishing Reel Mount is a durable and reliable accessory crafted from aluminum alloy and stainless steel. It fits any fishing reel but works best with spincast reels. Designed to mount seamlessly on compound or recurve bows with a stabilizer mounting hole, it’s easy to install and requires no additional parts or tools. The mount ensures a secure and stable connection, allowing you to focus on your catch. Weighing 5 oz and measuring 5.25" in length, it offers long-lasting performance for both novice and experienced bowfishers. (Reel not included).

High-Strength Plastic Sleeve for Bowfishing Reel Mount

Enhance your bowfishing with the High-Strength Plastic Sleeve for Bowfishing Reel Mount. Crafted from durable polymer, it ensures a secure, stable fit for your reel mount, providing reliability in demanding conditions. The lightweight design adds minimal weight, offering easy maneuverability, while the simple installation makes it a convenient upgrade for both novice and experienced bowfishers. This sleeve enhances the performance and versatility of your bowfishing setup, ensuring precision with every shot. Ideal for various setups, it boosts your gear’s reliability.

Bottom Picatinny Rail for Ballista Bat Reverse Pistol Crossbow

Enhance your shooting experience with the Bottom Picatinny Rail for the Ballista Bat Reverse Pistol Crossbow. Made from CNC machined anodized aluminum, this durable rail measures 6.29″ in length and allows for easy attachment of accessories like flashlights, laser sights, and foregrips. Built to last, it ensures secure and stable mounting, improving shooting accuracy. Compatible with the BALLISTA BAT Reverse, this rail is simple to install and adds versatility to your crossbow setup. Ideal for any shooting environment.

Mighty Tactical Tripod 303 with Picatinny Adapter w/ Carry Bag

Lightweight aluminum field tripod rated for 10 kg, height adjustable from 44 cm to 155 cm via 4-section legs; includes both spiked and rubber feet for grip on any terrain, a smooth 360° pan/tilt head with quick-release, and a Picatinny-to-Arca adapter for fast, secure mounting of crossbows or optics. Packs down compactly, and ships with carry bag and Allen key—made for stable, precise shots whether seated, kneeling, or standing.

Mighty Hunting and Shooting Rifle Bipod with Standard Picatinny Mount Adapter

Upgrade your shooting precision with the Premium Adjustable Tactical Bipod. Made from 7075-T6 aluminum with hard coat anodization and stainless-steel components, it offers durability and shock resistance. The legs adjust to five angles (0–180°) and a center height of 6.3–9.1", with interchangeable spike or rubber feet for any terrain. Folds neatly under the barrel and deploys with one hand. Features a quick-detach mount, 30° pan and tilt, and fits Weaver/Picatinny rails—ideal for hunting and tactical use. Weighs only 8.2 oz for easy carry.

Mighty 3 in 1 Tactical Rifle Bipod with Rail Mount Adapter and Barrel Clamp

Enhance your shooting precision with the Premium Adjustable Tactical Bipod. Made from anodized aircraft-grade aluminum, it offers a sturdy yet lightweight build at just 10.3 oz. Features include foldable legs with push-button adjustment, a discreet low-profile design with 6.2–6.7" center height, and dual mounting options for 20mm Weaver/Picatinny rails. The internal spring system ensures quiet deployment, while rubber feet provide grip on any surface. Includes a quick-detach lever lock and Posi-Lock legs for stable, accurate shooting in any environment.

MIGHTY TACTICAL Picatinny Rail Adapter for Arca-Swiss Plate Mount - Tripod Head Arca Clamp Adapter - V2

Upgrade your setup with the Mighty Picatinny Rail Adapter Plate. Crafted from high-quality machined aluminum, this lightweight plate (2.82 oz) ensures a secure and stable connection. Compatible with Arca clamps and Picatinny rails, it features safety stop screws to prevent accidental drops, a lever-lock release for quick adjustments, and a compact design (3.14 x 1.3 x 1.18 inches) for portability. The built-in stop block adds security, while the upgraded aluminum locking pin and black anodized finish enhance durability and style.

Mighty Tactical Quick Release Scope Ring Mount 25.4mm/30mm for 20mm Rail

The Quick Release Scope Ring Mount offers convenience and durability for 25.4mm and 30mm scopes or flashlights. Made from high-quality aluminum alloy, it fits standard 20mm rails and features a quick-release mechanism for easy installation and removal. The mount ensures a secure attachment with a screw that keeps your scope or flashlight stable during use. Its sleek matte black finish adds style while withstanding tough conditions. Perfect for hunting, tactical applications, and more, this versatile mount combines functionality and reliability.

Bowfishing Reel Mount - Fishing Reel Seat Aluminum Anchor Holder

The Bowfishing Reel Mount is a durable and reliable accessory crafted from aluminum alloy and stainless steel. It fits any fishing reel but works best with spincast reels. Designed to mount seamlessly on compound or recurve bows with a stabilizer mounting hole, it’s easy to install and requires no additional parts or tools. The mount ensures a secure and stable connection, allowing you to focus on your catch. Weighing 5 oz and measuring 5.25" in length, it offers long-lasting performance for both novice and experienced bowfishers. (Reel not included).

High-Strength Plastic Sleeve for Bowfishing Reel Mount

Enhance your bowfishing with the High-Strength Plastic Sleeve for Bowfishing Reel Mount. Crafted from durable polymer, it ensures a secure, stable fit for your reel mount, providing reliability in demanding conditions. The lightweight design adds minimal weight, offering easy maneuverability, while the simple installation makes it a convenient upgrade for both novice and experienced bowfishers. This sleeve enhances the performance and versatility of your bowfishing setup, ensuring precision with every shot. Ideal for various setups, it boosts your gear’s reliability.

String Replacement Tool (Press) for BALLISTA BAT Reverse Crossbow

The BALLISTA BAT Reverse String and Cable Replacement Tool is lightweight and easy to use, designed specifically for the BAT Reverse model. It allows you to quickly replace the string and cables, making maintenance simple both at home and in the field. This fast and efficient tool ensures you can keep your crossbow in top condition without the need for professional help. Note: This tool is not compatible with the BALLISTA BAT model.

Replacement String and Cables Set for BAT Reverse Pistol Crossbow

Ensure your BALLISTA BAT Reverse Pistol Crossbow is always ready with this original replacement string and cable set. Includes 1 shooting string and 2 support cables in sleek black. Keep a spare set on hand to avoid interruptions during your shooting sessions. Not compatible with BALLISTA BAT.

Bow & Crossbow String Wax - Protect & Prolong String Life - 3 pc

Protect and extend the life of your bow and crossbow strings with our Bow String Wax. This natural wax prevents fraying, reduces abrasion, and adds a waterproof layer to safeguard against moisture, dirt, and UV rays. It lubricates fibers for smooth operation and retains twists for consistent performance. Ideal for all types of bowstrings, it ensures reliability in all weather conditions. The easy-to-apply wax comes in a 3-piece pack, with each wax weighing 0.5 oz. Apply directly or warm in hands for optimal coverage.

Crossbow Quiver – Fits 4 Arrows (5.5 mm-8.8mm) – Quick-Detach Picatinny Mount

Versatile, compact quiver that locks in up to 4 arrows of any length and diameters from micro 5.5 mm (0.236″) to standard 8.8 mm (0.346″). The quick-detach Picatinny mount attaches or removes in seconds; an integrated rigid hanging loop works on tree-stand hooks, branches, or tripods. Foam insert secures most broadheads, and the adjustable mount lets you position the quiver exactly where you want it on the bow—ideal with BALLISTA STING and PIERCER arrows.

Crossbow Gift Box: The Ultimate Unboxing Experience

Make an unforgettable impression before the first arrow is even fired. The Ballista Signature Gift Box is designed to elevate your gift, turning an incredible product into a truly legendary present.

RIVER ROAD Huntex 40L Tactical Backpack for Hunting, Hiking Travel

The Huntex 40L Tactical Backpack is perfect for hunting, hiking, and travel, combining durability with water-resistant 600D polyester and YKK zippers. Its features include adjustable padded shoulder straps, compression chest and hip straps, and molle webbing for customization. The expandable main compartment offers ample space, while the hydration-compatible design ensures easy access to water. A hidden compartment keeps valuables secure, and the supportive back panel adds comfort. With multiple attachment points and organizational slots, this backpack is designed for rugged outdoor adventures.

Compound Bow Modern Guide Poster - 36”×24”

Explore the world of modern compound bows with the BALLISTA Compound Bow Modern Guide Poster. Measuring 24×36 inches, this detailed poster is designed to serve as an essential reference for archers, showcasing the intricate features of contemporary bows. It comes packaged in a durable tubus for protection and can be easily mounted using the included adhesive dots, making it perfect for archery spaces, gaming rooms, or living areas. Combining functionality with style, this guide poster is a must-have for any archer, whether seasoned or beginner, and makes a thoughtful gift for those passionate about archery.

2-Vanes Fletching Jig 5.5-6mm Arrows - Compatible with BALLISTA Bolts

The Fletching Jig is specifically designed for double fletching 6mm OD arrows/bolts, making it ideal for Ballista "Sting" bolts. Its compact size ensures portability, offering a convenient solution for fletching arrows on the go. Easy to use and experiment with different fletching, it allows you to fix damaged arrows without throwing them away. Compatible with 5.5-6mm micro-diameter arrows, including BALLISTA STING, Practice Bolts, and FRACTURA hunting arrows, this jig is the fastest and most efficient tool for your fletching needs.

Arrow Trimming Tool - Portable Cutter for All Bolts Types Fits Most Grinders

The BALLISTA Arrow Trimming Tool Cutter is a compact, palm-sized solution for precise and repeatable arrow cutting. Compatible with carbon, wood, aluminum, and fiberglass shafts (4–10 mm diameter), it works with most grinders and fits arrows of any length. Made from durable polymer using 3D printing, it includes a built-in tip trimmer and sandpaper for a clean finish. Perfect for hunters and target shooters, this portable, affordable tool ensures safe and accurate arrow maintenance without bulky equipment. Includes cutter, sandpaper, and user manual for easy setup.

Replacement 150 lbs Limbs for BALLISTA BAT Reverse - Carbon Fibers

Replacement 150 lbs limbs made from durable carbon fibers, designed specifically for the BALLISTA BAT Reverse crossbow. These high-performance limbs ensure powerful, consistent shots and restore your crossbow to peak condition. Lightweight and strong, they measure 14 inches in length and weigh just 0.5 lbs. Not compatible with the standard BALLISTA BAT crossbow. Ideal for shooters needing a reliable upgrade or replacement for worn limbs.