Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Transparent Cutaway Inside View Of Practice Padlocks Lock Trainer Skill Pick For Locksmith With Two KeysFeatures :Lock with open chambers on all the moving parts that allow you to see how it work.You can see clearly that how the pians work when a key is inserted.In perfect smooth working condition with no loose parts or pins will come out.