Features: brand new and high quality Lock plate thickening treatment: good for protection effect. Thickened key: not easy to break, rust-proof and durable. 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 dangerous items like for sharp tools and inedible cleaning supplies. Package Includes: 1x Lock 2x Keys Specifications: Material: 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.