This password lock is made of premium zinc alloy material, which ensures its sturdiness, accuracy, security, and longevity. The cabinet coded lock can help you solve the problem of not being able to find the key and open the cabinets. Now with our coded lock, you will get rid of the problem. This password lock is an ideal option for toolboxes, cabinets, drawers, mailboxes, school lockers, or any other place where keys are not suitable. The installation thickness of the password lock is 20mm, which is suitable for metal cabinets; and the 26mm is suitable for wooden cabinets. This password lock can be set with 100 kinds of number combination, with the initial numbering set to 0-0-0-0, which is very convenient for the user. Specification: Material: Zinc Alloy Installation Thickness: 20mm/26mm(for metal box)(optional) Size: As picture shown Package Included: 1 x Digital Coded Lock 1 x Key 1 x English Manual 1 x Bag of Accessories(1 x Screw + 3 x Install Iron Sheets)