Product Size: H 1.75 * D2.72 * W 19 inch, 12 Big Slots , Each slot width: 0.39"; Fits in any standard 19 rack mount, server cabinet, shelf and more. Material: All Metal, Cold rolled steel, No Plastic, Rounded edge , Durable and will never rust. Efficient Organization: Keeping your cables organized on a rack mount. Reducing the possibility of disconnections and maintaining the organization of your cables. Mounting screws: Each product Including 4 sets of M6 screws & cage nuts for easy installation. 2 Pcs Set: Including 2 Pcs of 1U 19" Cable Managers.