Annic Crystal Cutaway Professional Padlocks Lock for Locksmith Lock Training with 2 keys Package includes 1 Crystal Cutaway Professional Padlocks Lock and 2 keys in a plastic box The Crystal Cutaway allows you to see how the pins work when a key is inserted. Come out in perfect smooth working condition with no loose parts or pins Best for beginning locksmith or pro locksmith to teach Size approx. 2" x 1.2" (50mm x 30mm)