Manufacturer Olympus Lock Model 100DR-US4-78-KA915 Keyway National D4291/D4292 Keyway Body Zinc die cast lock body Barrel Length 78″ Barrel Diameter 7/8″ Finish US4 Brushed Brass Cylinder Solid brass pin tumbler cylinder Keying KA915 – 4 pin standard Key Retaining Function Key removable in locked position only ANSI/BHMA No. E07121 Warranty 1 Year Warranty Weight 0.5000