[Special Customized]Individually designed for Mikolo folding squat racks and perfectly matched.It also fits 2"X2" square tube power rack with 1" hole(Please check your steel dimension before purchasing). [Heavy & Durable] Made of 11-gauge steel, the surface is painted with a special powder coating, which is hard to scratch and stain resistant, and the black matte texture is beautiful and atmospheric. [Quick Height Adjustment] It only takes five seconds, select the appropriate height, insert the pin and tighten it, and you can start exercising. [High Capacity] Made of 11 gauge steel - can hold up to 800 lbs, just attach the pins to your rack and you can safely perform a variety of weight training such as bench press, deadlift, deep Squats, shoulder presses, and so on. [UHMW Plastic Pad] There is a UHMW plastic pad on the extension of the Barbell holder. The surface is smooth, which greatly reduces the noise and pad protects the barbell from damage when the barbell falls. Mikolo Safety Catches, Spotter Arms-Fit 2"x 2" Tube, with 1" Hole for WR00 QJ Squat Rack Power Rack Cage(1 Pair)