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 lock bolt works perfectly, alloy, anti-corrosion, durable. Will not rust. Easy to install: It is delicate and easy to install. The scope of delivery includes distribution screws for installation and maintenance. Just screw in the screw, which is very convenient. Security guard: Door Chain Lock Helps identify a caller before the door is fully opened, Stops forcible entry, Provides reliable protection. Package included: 1 x door chain lock with 4 screws. Easy to install and use. Door security chain Specifications: Material: stainless steel Finish: Brushed Finish Dimensions: 5 inch body, 7-1/4 inch chain Color: Money Quantity: 1 piece Feature: All metal construction, press spring loaded button to unlock. Improving your home safety made of solid stainless steel, will not rust, strong and durable Pay attention: Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 'article. Thank you! Package includes: 1 x chain guard 4 x screws becomeveryrich