Heat treated steel vertical drill-resistant pins on both side of cylinder

Mushroom counter pins resistant to attack.

6 rounded-head picking proof combination pins.

Owner key: 5 pcs

Owner card: As a indication of the key duplication and quality guarantee

Optional function:

Service key system: 1pcs, once the owner's key be used, the service key will be disabled.

Stiffening device: Central breaking-proof, anti-snap, body reinforcement

Master Key or Key Alike are available

Finish:  01-Brass polished with varnish

            02-Bright Nickel plated

            03-Satin Nickel Plated