Ulisem Mailbox Lock 20mm/30mm 3-Digit Combination Mailbox Lock, 30mm Swivel Drawer Lock - Silver Mechanical Combination Lock

General Description: This mechanical combination mailbox lock is designed for security and convenience. Made of zinc alloy, it is strong, precise, and durable. With a stylish silver design, it is ideal for securing your cabinets, lockers, and other storage spaces. The lock offers 1000 possible combinations, ensuring effective protection against unauthorized access. Technical Specifications: Lock body diameter: 38 mm; Material: zinc alloy; Thread length: 20 mm (short) and 30 mm (long); Applicable plate thickness: 1 to 15 mm for the respective thread lengths, and up to 23 mm; Lock plate thickness: approximately 2 mm. Installation: Easy to install, no mounting screws required. The lock snaps directly into the cabinet. The length can be adjusted by turning the nut. Operation: The factory password is 000. To change the password, use a small stick to cover the hole at the bottom of the lock when it is open. Change the password, and release the stick when finished. For first-time use, set the password to 000 and rotate the lock surface 90 degrees.