【Door Chain Lock】This chain lock is a safety locking device for doors that allows you to keep the door slightly open for safe observation and ventilation. Provide additional security for your family. It is helpful for children, pets, and the elderly. 【Spring Button】This chain lock for inside door is designed with a spring button, which can be pressed to release the chain and cannot be unlocked from the outside, providing reliable protection. 【High-Quality Material】This safety lock is made of high-quality stainless steel, which is durable and does not rust. Thickened plates and chains make it stronger and more stable. Material thickness: 1/16 inch. 【Size】Large base plate size: 122 x 22mm / 4.80 "x 0.87" ; small base plate size: 62 x 22mm / 2.44" x 0.87" ; chain length: 170mm / 6.70". 【Easy to Install】You can install this door latch in minutes using the included screws. Screws length: 20mm, they provides sufficient grip. Stainless steel chain guard, with spring snaps, stainless steel safety chain door lock.
Provide reliable protection against forced entry.
The safety door lock device ensures safe observation and ventilation when the door is partially opened,Thereby adding security to your home and office doors.
The material of the chain lock is thick, and the solid casting is not easy to break and deform.
Easy to install, used for the wooden frame of the inner door.

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