Features 1、Superior zinc alloy material is sturdy and durable in use. 2、3-digit password design provides you much convenience for you to install. 3、Applicable to mail box, wardrobe, shoe cabinet, staff cabinet, locker, wooden cabinet, etc. 4、This lock does not require a key, to avoid the trouble of losing the key successfully. 5、There is a password change hole under the lock. In the open state, use a stick to top the hole without releasing it, and change the password. You can release it after completion and disturb these numbers when achieve lock. Specification Condition: 100% brand new Item Type: 3-Digit password lock Material: Zinc alloy Main Color: Black L=20mm suitable for 0.5-12mm/0.02-0.47in cabinet thickness L=30mm suitable for 19-23mm/0.75-0.91in cabinet thicknes Password: 3 Digits, 1000 combination of passwords Initial Password: 000 Scope of Application: Suitable for mail box, wardrobe, shoe cabinet, staff cabinet, locker, wooden cabinet, etc Package List 2 x 3-Digit Password Lock