Yes4All QNGK J-Hook, 3x3 J Hooks Power Rack

3 INCH X 3 INCH POWER RACKS COMPATIBLE (BUT NOT ALL - PLEASE CHECK YOUR RACK DIMENSIONS BEFORE PURCHASING): Yes4All 3x3 in Power Rack J-Hooks are designed to fit 3 in x 3 in power racks with 5/8 in holes or 1 in holes using the included tube adapter 6MM THICK STEEL CONSTRUCTION: Constructed of 0.25 inch thick gauge steel plate and covered with black paint coating finish, our 3x3 in Power Rack J-Hooks to last for years of heavy usage without corrosion or breaking apart HEAVY CAPACITY LOAD: Due to the strong construction, with the total weight capacity of the two hooks up to 1000lbs. Simply secure it in place and safely perform countless exercises, like Bench Pressing, Overhead Press, Barbell Shrug and more UHMW PLASTIC PAD INCLUDED: The J-Hook is fully equipped with a thick padded rubber layer to reduce noise during your workout session and protect your barbell from damage ADDITIONAL LOCK KNOB: Each 3x3 in J-Hook comes with a lock knob to help better tighten the hooks in place around the rack’s tubes for extra security and prevent hook slippage