【Material】Our cam lock is made of zinc alloy material, strong, precise, safe and durable. 【Cabinet Lock Setting】The initial password for the code lock is 000, and there are 1000 password combinations. You can change the password by yourself. You don't need to install screws to install the lock directly on the cabinet. When changing the password, the hand should always hold the hole for the code until the password is changed. 【Code mailbox lock】Multiple coded lock options for use in cabinets of different thicknesses. If your cabinet is thicker, please purchase the extra long spring bolt to replace it for your cabinet. 【Installation】Mailbox cylinder. No screws required, easy to install. 【Application】Ideal for tool boxes, cabinets, drawers, mailboxes, school lockers or other unsuitable key types.