3 in 1 Cylinder

3 Codes in 1 Lock

1. One lock is provided with 3 keys.
2. If one wishes to quit using the first key (green), insert the second key (yellow) and rotate 360° if one wishes to quit using the second key,insert the third key (red) and rotate 360°.
3. Once all the keys have been used, have the new codes inserted into the cylinder at the company.