
Door Cylinder Biased Lock 65 70 80 90 115mm Cylinder AB Key Anti-Theft Entrance Brass Door Lock Lengthened Core Extended Keys
Door Cylinder Biased Lock 65 70 80 90 115mm Cylinder AB Key Anti-Theft Entrance Brass Door Lock Lengthened Core Extended Keys
A.B.’s Key Directions for Use
A.B lock is a special new type of anti-theft lock designed with the main security theme.
1. Key B is provided for home decor workers.
2. A key is included in the plastic package. Before the house is decorated and finished, the owner should not try to open it with the key A, so as not to cause unnecessary trouble.
3. After the decoration of the house is completed, the owner accepts it as complete. Undo the B key in time, and then insert the A key into the lock core to rotate 360 degrees, the B key will fail automatically.
Name: Copper lock core for anti-theft door