parameters

Features:
100% high quality
The key on both side are different.
Lock cylinder has openings cut into the pin chambers that allow you to see it work
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

Specifications:
Lock cylinder: Copper
Color: Transparent
Material: Metal
Size: 6.5 x 3.4x 2cm /2.56x1.34 x 0.79inch approx (L x W x H)
Quantity:1 set
Note:

1. Please allow a little color difference and 1-3mm measure error.
2. The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding.

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Cutaway Transparent Copper Locks Training Skill Professional Visible Practice Padlocks Lock Pick Locksmith Supplies