This front mount vented shelf is 2U in height and mounts on any standard 19" rack or cabinet. It is used to shelve non-rackmount equipment on a relay rack or cabinet. Physical Characteristics Color Black Mounting Style Front Mount Vented Shelf Finish Powder Coated Material 1.5mm Thick Steel Height in Units 2U Height in Inches 3.50 inches [8.9cm] Depth in Inches 18 inches [45.7cm] Number of Mounting Holes 4 Weight Capacity 48.5 lbs [22kg] Mounting Hardware Included Approvals RoHS Compliant Reach Compliant Packaging Information Package Quantity 1 Mounting Hardware 4 Pcs – M5 Screws Black4 Pcs – M5 Cage Nuts Product Weight 6.1 lbs [2.7kg]