Material: The combination lock is made of zinc alloy, which is strong, precise, safe, corrosion resistant and durable. Modern: The surface of the combination lock is chrome plated, with metallic luster, modern and beautiful. Easy to use: This lock has a 3-digit password. The original password is 000, which can be changed using the method described in the product description below. Convenience: With this safe mechanical lock, you no longer need to carry the key and worry about losing the key. Uses : it can be used for filing cabinets, mailboxes, drawers, lockers, shoe cabinets, staff cabinets, wooden cabinets, metal cabinets, etc. Product Description Color: Chrome Color: Chrome Material: Zinc Alloy Size : Password dial size: Maximum diameter: 38 mm Outer Diameter: 30mm Threadlock Body Size: Diameter: 18.5mm Length: 29mm Initial password: 000 Package: 2 x digital code lock This code lock combination can be used for all wooden or iron cabinet doors with thickness about 1-23mm in home, school or office, such as filing cabinets, filing cabinets, mailboxes, lockers, shoe cabinets, staff cabinets, wooden cabinets, metal cabinets, etc. 1. There is an inverted triangle just above the 3-digit password. Line up the correct 3 numbers with the triangle to open the combination lock. 2. There is a hex nut on the lock body. When the lock body passes through the punching hole, according to the thickness of the wooden board, turn the nut to firmly fix the lock body on the wooden board. 3. There is a rubber ring on the rotary dial. When the code lock is opened, finger comfort is improved, which can prevent fingers from slipping. How to change your password: 1. Just below the 3-digit code there is a small hole in the side of the lock plate. 2. In the open state (the baffle is open in the hole, when the hole becomes deeper, it is open), push it into the hole with a thin rod, do not loosen it. 3 . Rotate the number and change the required password. 4. Release the fine lever after finishing changing the password.