NavePoint 1U 19-Inch Sliding IT Network Cabinet Shelf For 600mm Depth Cabinet Enclosure Black Dimensions: 1.75"H x 18.5"W x 13.75"D 55 pound weight capacity Slotted venting No Lip Shelf Extension: 9" Organize critical equipment for your cabinet Made of high quality cold-rolled steel with an electro-static powder coating Shelf can hold up to 55lbs Slotted venting to reduce the possibility of over heating Compatible with any 19&#034; enclosure and has a maximum mounting depth of 20.5&#034; and a minimum mounting depth of 13.19&#034;. This sliding shelf can extend 9&#034; 1 Cabinet Shelf 10-32 screws 12-24 screws