Description Size: 5 inch body length, 7-1/4 inch chain length, thick material: 1/16 inch thick. Material: Made of SUS-304 stainless steel and brushed finish, our Hasp latch lock works perfectly, alloy, anti-corrosion, durable. Does not rust. Easy to install: It is delicate and easy to install. The scope of delivery includes distribution screws for installation and maintenance. You only need to screw the screw, which is very convenient. Security guard: Door chain lock Helps identify a caller before the door is fully opened, Stops forced entry, Provides reliable protection. Feature: Fully constructed metal, press the spring button to unlock. Improving Your Home Security Solid Stainless Steel, Never Rust, Solid And Durable Pay attention: Please allow 1-3cm error due to manual measurement. Please make sure you dont mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x chain guard Note: 1. Please allow error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.