SHIPPING INCLUDED TKO Lifting Hooks are designed to relieve the stress on hands and wrists whether you're lifting heavy or light resistances. The Hooks increase your ability to lift (dumbbell curls, upright rows, low rows, arm curls, lateral raises, dead lifts, etc.) or pull down weight (lat pulldowns, tricep extensions, d-handle pulls or extensions, etc.) without over-straining grip and wrist function. This is a great training aid for users seeking a safe, controlled, supported grip. The wide Velcro wrist closure of the TKO Lifting Hook provides compressive wrist support. Steel lifting hooks easily fit all bars and handles. Warranty: Limited Lifetime warranty against defects in material and workmanship