For protection against counterfeit and unauthorized breaking all BORDER locks have self-destructive stickers. The sticker is placed on one of the screws of the lock case and has the function of a guarantee stamp. It is impossible to disassemble a lock without destroying the sticker.

Each sticker has the number of the shift, personal responsibility for the quality of the produced goods reduces spoilage to minimum.

When buying a BORDER lock make sure that the guarantee stamp is not damaged. This guarantees that the lock was not opened before for unauthorized reading of the lever plates' code for production of key copies.