Helps keep the door slightly open. You can easily and quickly install it on various types of doors. We have specially thickened every part of this anti-theft door lock so that the chain can withstand enormous impact and pressure. Anti-theft steel chains increase security and provide reliable protection against intruders, and spring-loaded push buttons increase protection. Helps identify callers before the door is fully unlocked. Easy installation; Suitable for wooden doors. It is suitable for opening and closing interior doors, is robust and durable, and can be widely used for security and anti-theft of doors in the house, hotel, apartment, and yard.

Usage: door locks, window locks, front door anti-theft locks, hotel room anti-theft locks.

Features: thickened chain, thickened bottom, more durable. Package: 1 * Anti-theft chain Note: Due to the different images displayed, the actual color prevails. Dimensions are measured by hand, there may be errors (1-2 cm). Material: stainless steel