HMC High Security Tubular Locking System, Easily Mounts Into First Watch 8, 10, & 14 Gun Cabinets, Allows for the Separate Storage of Ammunition, 4 Mounting Holes (Phillips Screws Included), Full-Length Piano Hinge & 1, 0 mm Steel, Dimensions:, Length:7 7/8"", Height:7 7/8"", Width:19 1/4"" SKU: HMK296