Monstro

Sometimes even the most simple training tools can benefit from a little design refresh. Monstro's pure polyurethane pegs are 1-1/4 in diameter, come in a variety of colors and will not swell or...

The Peg Grasper is a simple hold that takes a common design and turns it into something completely new and extremely functional. Unlike any other door knob or ring toss, the Peg Grasper can also take...

The T-Ledge is another way Monstro Holds is testing the finger strength of ninjas across the world! With a double-sided, 6 inch, 1.5 in deep ledge, the T-Ledge adds a whole new level of difficulty to...

The Peg Grasper transforms a familiar design into something entirely innovative and highly functional. Distinct from typical door knobs or ring tosses, it can be used with a 1-1/4" inch peg, opening...

Get two Peg Balls and a set of matching Poly Pegs with this bundle!   Monstro takes a standard 6 inch training ball and adds their own little twist by allowing you to insert a 1-1/4 peg into it...

A 45deg angled hold with many uses.   Specifications: 8" long on each side 3" thick Grippy texture

The Bowl from Monstro is a fun hold allowing Ninjas of all skill level to grab, swing and transition from one hold to another in a variety of ways. With a super comfy 1.25" lip, the Bowl can add tons...

Take your grip training to the next level with the Magnetic Mini Cones. These compact, one-handed grips feature high-quality magnets at the base, allowing you to connect and separate them...

The Magnetic Starter Chucks take grip training to the next level by incorporating magnetic connections in the bases for an added challenge. Designed to help ninjas transition from a tapered grip to a...

Step up your grip training with the Magnetic Grip Chucks, featuring high-quality magnets at the base for a unique challenge. These 2" diameter holds connect seamlessly and break apart when grabbed,...

The Magnetic Grip Spheres will test your grip strength like never before. We've equipped each Grip Sphere with high-quality magnets at the base, making it easy for them to connect together. When...

The Judge is a perfect hybrid between a jug and a ledge hold. This versatile ninja hold is 4.5" wide and mounts with three screws for a secure fit. Offering a more forgiving grip than the Mini...

The Tilt is a very unique hold that allows you to progress your pinch grip like never before! Each side contains a series of levels you can use to progress your grip. Use it as a trainer or even a...

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...

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...

Monstro Cone grip trainers are great for anyone, beginner to advanced, to build grip strength. The Monstro cone shape is versatile for most hand sizes allowing you to move down the cone as your...

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...

This nunchuck is a collaboration of efforts with the World Ninja League and Monstro Holds. They have taken a standard nunchuck and added a bolt block to completely remove any close calls on whether...

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...

The Saber Chuck was inspired by an ANW competitor named…. Well… JEDI! Jedi Markowski competed on season 7 of American Ninja Warrior and has been training ever since. We created this...