Home Door Chain Latch Dedoot Stainless Steel Security Latch Guard Clasp with Screw Heavy Duty Chain Door Lock as Secondary Door Chain Guard for Home Hotel Office Easy to Install: Just fix the accessories with screws in the right position and complete immediately(including 7 screws). Can be used wood or metal doors and so on, can be install over or beside door casing. Size: The lock size is 5x1., 3 inch and 3., 14x0., 82 inch, and the chain length is 7., 48 inch. Door Chain Lock Heavy Duty Chain Door Lock As Secondary Door Chain Guard Security Latch Guard Clasp Home Hotel Office Reinforced Solid 304 Stainless Ste C04de11e A6c6 4a28 B06b 91fa0db57711.c2378d065dea463cb035d7956dcdda30 Door security chains offer door security whilst still being able to open the door ajar. Available in different lengths and metal finishes Security Locking Design: Door chain latch opens entry for safe viewing and against intruders. The chain is encased by PU leather, can prevent friction, and it can pick off. Door Chain Latch Bolt Restrictor for Door Security with Hardened Welded Besides, out of reach door chain prevents children from opening the door themselves.