Durable Material: Mailbox lock made of high quality zinc alloy and chrome plated surface, anti-corrosion and anti-rust, high strength and wear resistance. Size: This triangle cam lock features an outer diameter of 22mm with a length of 18mm which can accommodate panels up to 9.5mm thick. Please allow 1-5mm differs due to manual measurement. Detailed data as picture Easy to install: The cabinet lock is easy to install and convenient to use. Just drill a hole in a suitable place, insert the lock head and fix the cam with a fixing screw. Easy to use: 90 degree rotation, the triangle key can be removed from the locked position and opened Application: The locker locks with key for drawers, mailboxes, cabinets, wardrobes, desks, distribution boxes, trash cans, RVs, boxes, electrical cabinets.