Standard function:1. Heat treated steel vertical drill-resistantpins on both side of cylinder 2.Mushroom counter pinsresistant to attack.6 rounded-head picking proof combinationpins.Owner key: 5 pcsOwner card: As a indication of the keyduplication and quality guaranteeOptional function:Service keysystem: 1pcs, once the owner''s key be used, the service key willbe disabled.7. Stiffening device: Central breaking-proof,anti-snap, body reinforcement8. Master Key or Key Alike areavailable9. Finish:  01-Brass polished with varnish

 02-Bright Nickel plated

 03-Satin NickelPlated