Auxiliary Locks
An auxiliary lock is a key that is installed in addition to the main lock as a security measure. By installing an auxiliary lock such as a door chain or door guard on the indoor side, etc. such as a door, etc., the door will not open more than a certain amount, and will play a role in improving security. The door chain uses a chain for the clasp, and is made of durable stainless steel in addition to steel. The stronger door guard is a product that locks when the door is opened, with a protrusion fitted into the U-shaped arm. In addition, there are products that are used by attaching them to frames and display cases, and products that are attached using strong double-sided tape, etc., and can be easily installed later.