Resin Obstacles

The Slip Sphere is a dynamic challenge designed to test grip strength in a whole new way. Unlike the Grip Sphere, its smooth, slippery surface demands extra precision and control, adding a level of difficulty that even seasoned athletes will find...

Take your grip training to the next level with the Grip Chuck. Featuring a round, tapered top and a grippy textured surface, this compact hold challenges athletes to develop strength, precision, and control. Perfect for swing courses or group setups,…

Monstro cone grip trainers are great for anyone, beginner to advanced, to build grip strength. The Cone Grip Trainer v2 features an additional taper that not only streamlines the design of the original, but adds just that extra bit of grip surface to…

The Grip Sphere, also known as the Cannonball, is a must-have for enhancing grip strength and precision. With its unique semi-spherical shape, this obstacle presents a fun yet challenging experience for athletes of all levels. Perfect for swing cours…

Developed in collaboration with World Ninja League and Monstro, the WNL Chuck eliminates the guesswork around bolt usage during competition. This redesigned chuck features an integrated bolt blocker that prevents athletes from grabbing the mounting..…

The Starter Chuck is a versatile transition hold designed to help ninjas progress from a tapered grip to a full vertical grip. Its tapered top encourages proper hand placement and prevents athletes from grabbing the eye-bolt, a common bad habit that …

The Monstro Saber Chuck is a chuck-style grip trainer forged for sci-fi fans. Inspired by ANW competitor Jedi Markowski, this unique hold features a fluted black handle and a tapered colored “blade” that narrows from 1.5" to 1", giving...

Ooooo scary! The Skull Beast Ball is an intimidating addition to any obstacle line. As seen at the OCR World Championships.   Specifications: 6" tall ~6" gripping surface Grippy texture

The Monstro Semisphere is a semi-spherical hold perfect for compression or campus training. Mount with standard 3/8” hex bolt to a t-nut or 4” wood screws. Key Features: 4" or 6" wide slight curve back grippy texture

NOW WITH HOOKS! The first entry into our “Slip Series” line. The 1.5" thick Slip Chucks! Each chuck is 1.5" in diameter and 8 inches tall the bolt, 10.25 in total. The Slip Chucks have a super slick, automobile-style finish to truly test …

Now with hooks!!! The Hooked Cone Grip Trainer v2 is great for anyone, beginner to advanced, to build grip strength. The coned shape is versatile for most hand sizes allowing you to move down the cone as your strength increases. We've taken our popul…

Our first community named hold, “The Infinity Ledge” A multi-purpose grip with a full 360deg, 1.5in ledge topped with a 3in Hemispherical grip for easy matching and big, dynamic moves. The infinity Ledge was named by American Ninja Warrio…

Inspired by the Peg Monster at Pocono Ninja (Freedom Gymnastics and Ninja, Brodheadsville, PA), the Dragon Pegs offer an extreme grip challenge like no other. Each 2-3 inch peg features a detailed, textured dragon claw clutching a smooth egg. This un…

What can make a 6″ grip more dynamic? Put a peg in it! The Peg Ball takes a standard 6" training ball and adds a twist by allowing you to insert a 1-1/4″ peg into it. Place multiple Peg Balls in a grip route for a unique training experien…

The Floating Vertical Limit is a 2-handed hanging vertical limit trainer sure to trip up any hanging line.   Key Features: 8" wide 1cm ledge Grippy texture

The Mini Floating Vertical Limit is a one-handed hanging vertical limit trainer sure to trip up any hanging line.   Key Features: 3" wide 1cm ledge Grippy texture

Your eyes are not deceiving you, the bolt is wider than this 1" chuck. If over-gripping is a thing, the Grip Stick is going to test your ability to do so. With a narrow body and grippy texture, the Grip Stick is definitely more challenging than it se…

Hanging from ledges is essential to building grip strength for ninja based fitness. Can be mounted almost anywhere using 2.5"-3" wood screws. Key Features: 16" long 1.5" finger depth 1.5" or 2" thick Grip texture

The Soapy Bar is a super tiny bar hold that will test your pinch like no other!

Hanging from ledges is essential to building grip strength for ninja based fitness. The 12" Cliff Ledge by Monstro Holds is designed with a dual texture, perfect for challenging multiple skill levels. One side offers a gritty, super grippy texture fo…