24 in 1 Acrylic Transparent Practice Locks Visible Combinated Lock Locksmith Traning Tools, Random Color Delivery

1. It is made by high-quality and durable acrylic and stainless steel materials.
2. It is a useful tool that is specially designed for locksmith.
3. It helps to understand the internal structure of the lock.
4. It helps people of all ages to investigate mechanically