The TECHTOO Vertical Rack Rails were designed to mount your networking server or telecom equipment. For example: Patch panels and PDUs. The simple and efficient design of multiple sized mounting holes across the entire length allowing for installation in virtually any rack mountable equipment. Made from heavy gauge steel to ensure your equipment is secure, these computer equipment rack rails feature cold-rolled steel construction. Packing List: 2x Rack Rails (One Pair), Enough screw sets to mount equipment in every rack space. BUY WITH CONFIDENCE: TECHTOO offers a 30 day money back guarantee on this item.