1. Mushroom counter pins resistant to attack.
   2. 7 rounded-head picking proof combination pins.
   3. Owner  key  5PCS
   4. Owner's card:   As a indication of the key duplication and quality guarantee

    Others:
    Finish: 01-Brass polished with varnish
            02-Bright Nickel plated
            03-Satin Nickel Plated