Ninja Holds

These uncut cliff ledges are 11.5" long and 1 5/8" deep with a slight incut on both sides   Specifications: 11.5 inches long 1 5/8" deep Mounts easily to any door jam or 1.5in beam grippy texture

Take your grip training to the next level with the 3in slip chuck.  A 3in diameter nunchuck style grip with a rounded top to aid in training your fingers to the limit. Can’t make a single handed grab? Use the top to assist you! But remembe…

Can you tame the dragon? Inspired by the Pocono Ninja's own Peg Monster at Freedom Gymnastics and Ninja in Brodheadsville, PA. These 2-3in peg grips are no joke! With a textured claw holding a smooth egg, it makes holding onto these while making peg.…

The flying bar is one of the most difficult obstacles out there requiring mastery of body motion and precision to land the bar evenly within each cup. Until now, this was an extremely difficult and expensive obstacle to build for many gyms or home se…

A horizontal grip great for any grip line. At 2.5" thick, this grip is a perfect balance of ease and difficulty.   Specs: 2.5" Thick Light textured finish 6.75" Wide

What can make a 6″  grip more dynamic? Put a peg in it! Introducing the Peg Ball by Monstro Holds! We take a standard 6 inch training ball and add our own little twist by allowing you to insert a 1-1/4″ peg into it. Place multiple Pe…

A 2-handed hanging vertical limit trainer sure to trip up any hanging line.   Specifications: 8" wide 1cm ledge Grippy texture

Isn't it the cutest little thing? Our mini cone is a 2.25" to 1" tapered grip that's meant for 1 handed training. Small enough to force your hand to wrap around the entire shape not leaving much room for a two-handed match.   Specs: 2.25" to 1"…

The first entry into our “Slip Series” line. The 1.5in thick Slip Chucks! Each chuck is 1.5in 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 your grip stre…

Cone grip trainers are 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. 1.5 in top diamter 3 in bottom diameter 6.5 in tal…

A single handed hanging vertical limit trainer sure to trip up any hanging line.   Specifications: 3" wide 1cm ledge Grippy texture

Your eyes are not deceiving you, the bolt is wider than this 1" chuck. If overgripping is a thing, this little bugger is going to test your ability to do so. With a narrow body and grippy texture, the grip stick is definitly more challenging than it.…

Hanging from ledges is essential to building grip strength for ninja based fitness. Can be mounted almost anywhere using a 2.5-3in wood screw.   Specifications: 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 Monstro Holds cliff ledges are designed with a dual texture offering a gritty, super grippy side for beginners and since we mold ours direct from solid oak, the o…

We are often asked if we have thought about making certain types of products and the Jugster is no different. This particular idea was spawned by a conversation with none other than the First American Ninja Warrior, Geoff Britten! The Jugster is mean…

Your eyes are not deceiving you, the bolt is wider than this 1" chuck. If overgripping is a thing, this little bugger is going to test your ability to do so. With a narrow body and slippery texture, the slip stick is definitly more challenging than i…

Monstro has once again teamed up with another top competitor from American Ninja Warrior, Maggi Thorne!  Maggi is known for always wearing a bow on the ANW course and what better way to represent her than with a first in the world of rock climbi…

We took it a step further with the slip chuck v2! This super shiny, textureless finish will challenge your grip to the MAX!   Specs: 8 inches tall Super glossy finish 1.5 inches thick

Want to step up your vertical grip game? Our 2" Grip Chuck is the next step when a standarfd 1.5" just wont cut it.   Specs: 9 inches tall Light textured finish 2 inches thick