​​​​​​​​​Features: Made of high-quality zinc alloy,with sturdy structure and long-lasting security. Provides essential privacy for your personal belongings. Multiple Sizes,available in 4 different mounting hole lengths: 16mm, 20mm, 25mm, and 30mm. Simple installation process. Just insert the lock into the pre-drilled hole, secure it with the included nut, and you're done. Each lock comes with 2 identical keys, ensuring you have a spare. The nut is included for your convenience. Perfectly designed for mailboxes, file cabinets, drawers, toolboxes, electrical boxes, locker, and much more. Specifications: Material:Aluminum Alloy Color:Metal Sliver Size: As Picture Note: Please confirm the size you need before ordering to ensure a perfect fit. There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 1pc x Replacement Lock Set ​No Retail Box.Packed Safely in Bubble Bag.