Description
If you are a fan of puzzle or DIY kits, you don’t want to miss the challenge of assembling the transparent pin tumbler lock!
Through the transparent acrylic shell, you can observe the precise brass structure and the details of the lock cylinder.
When the key is inserted into the hole and turned, you will see the amazing mechanical operation process.
Try to distinguish the difference in permutation and combination before and after unlocking, and take one step further on the road to a locksmith!