Surplus Strength

ISO-Claw

The ISO-Claw is the no-nonsense solution for building brute strength through overcoming isometrics—without the need for a specialty J-cup. Designed to mount directly above our 2-inch sandwich J-cup, the ISO Claw locks into your rack with a speed pin or hitch pin for rock-solid stability. Drop it in, set your bar, and push or pull against immovable steel to overload your nervous system and recruit max force. Crafted from 1/4-inch American steel and hand-welded in the USA, the ISO Claw is built to survive anything you can throw at it. Each unit is lined with 1/4-inch and 1-inch thick UHMW plastic, ensuring your barbell and rack stay fully protected—no scratches, no damage, no compromise.