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Transparent lock 7-piece transparent training lock acrylic process lock


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Overview and Specifications:

Product Attribute
Model Number : 7PCS
is_customized : No
Origin : CN(Origin)

1. Practice disk padlocks
2. Lock all moving parts with an open chamber so that you can see how they work
3. You can clearly see how the piano works when you insert the key
4. In perfect and stable working condition, parts or pins will not be loosened