coin locks

1. Made of stainless steel, anti pry and anti-rust

2. Two lock cylinder:

1) User key made of laser, which cannot be copied to improve security in public use.

2) Master key replaces user cylinder easily when missing using key.

3. Coin lock load and unload into the locker by master key.

4. Two change system available, free or charge

5. Coin lock is adjustable with different countries' coin.