Manufacturer CompX National Model C8163-26D Rekeyable Will key together with all other pin tumbler locks using D4291 key blank Bolt Dead Barrel Length 15/16 Barrel Diameter 57/64″ Finish 26D (Satin Chrome) Keying Keyed Alike or Keyed Different Key Retaining Function Key removable in both locked and unlocked positions US Patent U.S. Patent No. 4.899.563. Warranty 1 Year Warranty Weight 0.5000