Description: material: metal Surface treatment: bright chrome, bright nickel. Lock size: 16mm, 20mm, 25mm, 30mm (diameter) Specifications: 1.[Easy Installation]: Allows you to easily lock any type of filing cabinets, storage cabinets, drawers, tool cabinets, drawers, mailboxes, etc. 2.[Multiple Scenarios Applicable]: Suitable for wooden door, metal door and glass door, perfect for desk drawer, glass door and locker, lock all your personal items securely. 3.[With 2 Keys]: It also comes with 2 keys for cam lock, so you will always have 4. [Lock plate thickening treatment]: good protection effect 5. [Bold screw]: 5.0mm thick screw, no trouble if the lock piece is loose Package Included: 1*Lock 2*Keys