1. Manufactured from SUS-304 Stainless Steel die-cast;With truly excellent Brushed Nickel finish--- aesthetically pleasing appearance which is peculiar to SUS-304#SS Door Chain Lock
2. Extra-thick: 3 mm , Heavy Duty Chain Latch for Inside Door, 100% durable.
3. Lock length=13 cm (about a 4.5" Phone length), width=3.5cm, height=0.8cm; Chain length=14cm
4. Security Guard-- Easy to install and operate; Can not be unlocked from the outside, Unlocks easily from the inside
5. Mounting hardware included: 1 door chain lock with mounting screws.
Special Feature: Key Lock
Lock Type: Deadbolt
Item dimensions L x W x H: 5. 5 x 1. 4 x 1 inches
Material: Alloy Steel