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_x000D_ Item Type: 3-Digit password lock_x000D_ Material: Zinc alloy_x000D_ Main Color: Black _x000D_ Optional Thread Length: 30mm/1.18in, 20mm/0.79in_x000D_ L=20mm suitable for 0.5-12mm/0.02-0.47in cabinet thickness_x000D_ L=30mm suitable for 19-23mm/0.75-0.91in cabinet thicknes_x000D_ Password: 3 Digits, 1000 combination of passwords_x000D_ Initial Password: 000_x000D_ Scope of Application: Suitable for mail box, wardrobe, shoe cabinet, staff cabinet, locker, wooden cabinet, etc PackageList: 2 x 3-Digit Password Lock