This opening cover can be mounted on our RM-12XX series A/V and networking cabinet. It is used to feed cables from the top cover and bottom panel of the cabinet. The brush style protects the cabinet from dirt and dust. Physical Characteristics Color Black Cable Management Type Pass-Through Material Steel Finish Powder Coated Width 16 inches [41.5 cm] Number of Mounting Holes 4 Mounting Hardware Included Compatible Cabinets RM-1215 18U A/V and Networking Cabinet – Pre-Loaded with Fan Top, 3 Shelves & Blank Panels – Tapped Rails – Black RM-1217 27U A/V and Networking Cabinet – Pre-Loaded with Fan Top, 5 Shelves & Blank Panels – Tapped Rails – Black RM-1220 42U A/V and Networking Cabinet – Pre-Loaded with Fan Top, 9 Shelves & Blank Panels – Tapped Rails – Black Approvals RoHS Compliant Reach Compliant Packaging Information Package Quantity 1 Mounting Hardware 4 – Screws Product Weight 0.56 lbs [0.25kg]