RMP Rack Drawer 4U A 19" wide front panel provides a clean look that covers the rack's mounting rails when the drawer closed, while the front recessed handle and the ball bearing slides ensure smooth, quiet opening and closing Easy to remove slides make installation simple and easy Each rack drawer has 4 mounting holes per U space making it easy to secure them to any 19" EIA compliant rack or enclosure Supports 4-point mounting and allows for depth adjustment (12 to 31.5 inches) to fit onto most any 4-post rack-mounting rails A top lid with a keyed lock for security