HMC High Security Electronic Keypad Locking System, 4 Rubber Boots on Base to Prevent Sliding, Pre-Drilled Mounting Holes for Permanent Installation, Mechanical Override Key, Spring-Loaded Lid, 2, 0 mm Stee, Dimensions:, Length:16 1/2"", Height:3 3/8"", Width:10 1/4"" SKU: HMK297