Standard Function:
1. Heat treated steel vertical  drill-resistant pins on both side of cylinder
2. Mushroom counter pins resistant to attack.
3. 10 rounded-head picking proof combination pins.
4. Special designed  combined pins for snake key way. The combination of code up to  14,300,000
5. Owner key:  5 pcs
6. Owner card: As a indication of the key duplication and quality guarantee
Optional Function:
7. Service key system: 1pcs,Once the owner's key be used, the service  key will be disabled.
8. Master Key or KA are available
9. Finish: 01-Brass polished with varnish
                  02-Bright Nickel plated
                  03-Satin Nickel Plated