You can see clearly that how the pins work when a key is inserted.
It will come out in perfect smooth working condition with no loose parts or pins.
Lock with open chambers on all the moving parts that allow you to see how it work.
Best Padlocks Lock Training Trainer Skill for Locksmith.
1 x Lock
2 x Keys
1 x Tension Wrench
12 x Locksmith Crochet Hook