Grip Freak 'Slip Grips' Grip Strengthener with Weight Plate Loader Hanging Wrist Roller eliminates shoulder strain for 100% focus on Forearms, Wrists, Hands Patented 1 3/8" Round 'Slip Grip' Handles require constant squeeze Roller Unit Includes Olympic/Standard Weight Plate Loader Brutely Efficient Outperforms All Common Wrist Rollers & Hangs Anywhere USA made commercial grade with lifetime replacement warranty. 2-3 Day Priority Shipping