说明：可观查到锁珠活动.变化.两头锁珠排列组合不同(含异形珠),两支钥匙不同,等于2个

练功锁头,练习技术性开启的好帮手。

Description:

This is a lock specially designed for learners! So during the pratice, they can see how the lock pins work and change.

* It can be seen as two practice locks in one, which has 2 keys and 2 side lock pins with 2 different collocations.

* From the date of purchase, we guarantee in the product quality on mending, replacing and refunding with conditons.

* Wholesale for the Product.