1. ZUKAM J-Hook Fit 2x2 Power Rack with 1” or 5/8” Hole Perfectly. Power Rack J-Hooks are constructed of thick durable steel with black paint coating finish to last a lifetime. 2. Fit Most 2-inch X 2-inch Power Rack; ( Please Check Your Rack Dimensions Before Purchasing To Avoid Any Unwanted Return 3. Heavy Capacity Load- Due to the strong construction, each J-Hook can withstand 500lbs, for the total weight capacity of the two Hooks up to 1000 lbs. Now you can perform countless exercises, like Bench Pressing, Overhead Press. 4.Our power rack J-cups are ideal for holding your barbell when bench pressing and is also suitable as a hook for training ropes, elastic bands and a wide variety of other training equipment.