The X-3 Series Flip Down Safety Bars, constructed from heavy-duty 3" x 3" 11-gauge steel, incorporates a J-hook style mounting system that allows you to install the bars to your rack within seconds. Easily clip the mounting system into the uprights by inserting the pin and twisting the bars down. No hardware is required. The top of the safety catches features a protective durable nylon liner that spans the entire safety bar to protect both the barbell's knurl and the Power Rack's uprights. Crafted for athletes who train alone in-home gym settings or those who need extra peace of mind when pushing for a PR. The X-3 Series Flip-Down Safeties offer protection through any failed rep and serve as a supportive platform allowing a combined weight capacity of 3,000 LB, providing assurance when adding weight, and helping assist as a pulling platform. NOTE: Available in 24" and 36" depth options – make sure to choose the correct depth for your rack!