Lock plate thickening treatment: good for effect. Thickened key: not easy to break, rust-proof and Wide Application: Suitable for Letter Box, Post Box, Drawer, Cupboard, Locker, Filing Cabinet and so on. Convenient and practical: convenient and practical for key lock set, including 1 lock and 2 keys. Safety：It provides sufficient safety, not only securing your important items but also protecting your kids from items like for sharp tools and inedible cleaning supplies. Features: brand new and Lock plate thickening treatment: good for effect. Thickened key: not easy to break, rust-proof and Wide Application: Suitable for Letter Box, Post Box, Drawer, Cupboard, Locker, Filing Cabinet and so on. Convenient and practical: convenient and practical for key lock set, including 1 lock and 2 keys. Safety：It provides sufficient safety, not only securing your important items but also protecting your kids from items like for sharp tools and inedible cleaning supplies. Specifications: Metal Diameter: Approx. 18mm/0.7inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Lock 2x Keys