Ersandy - Security door chain, anti-theft door lock, stainless steel door chain lock, sliding door lock with 4 screws for wooden window doors

【steel material and wire drawing treatment】: The anti-theft chain door lock is made of stainless steel, which is sturdy and durable, not easy to fade and corrosion-resistant. It can ensure your safety and have a long service life. The three-layer wire drawing treatment on the surface resists daily scratches and prevents collisions and kicks. 【security lock】: There is a button with spring-loaded anti-theft button. The chain can be opened by pressing the buckle, which prevents outsiders from reaching the inside hook and falling off the chain. This design makes your chain fall and better protects the house, making your house safer. 【 Thick chain design】The thicker 3mm chain is durable, not easy to break, and will not break easily when pulled hard. It can be used for a long time. Compared with traditional chains, our chains can provide you with safer protection and give you and your family more peace of mind. 【 Easy to install】: The set includes a door chain lock and four screws that you