Manufacturer Olympus Lock Model 300SD-US3-KA915 Keyway National Cabinet Lock D4291(4-pin) or D4292 (5-pin) keyway Rekeyable Speed release mechanism for easy rekeying Barrel Length 1″ Barrel Diameter 1″ Finish US3 (Polished Brass) Cylinder Solid brass pin tumbler cylinder drilled for 5 pins Keying KA – 4 pin standard US Patent No. 5,121,619 ANSI/BHMA No. E07161 Warranty 1 Year Warranty Weight 0.5000