PREMIUM MATERIAL: Passed over 60,000 professional tests, made of premium zinc alloy, even closing mailbox locks provide better antioxidant performance, water resistant and rust proof, stain resistant corrosion and wear.<br> <br> Universal letterbox lock: 20mm cylinder length, 46mm locking plate, fits on material thickness up to 20mm. Opening angle: 90. This is a standard size cam lock with a diameter of 20mm.<br> <br> Easy assembly: the locking lever serves as a lock which is moved by the turning movement of the key | for quick opening and secure closing of various doors.<br> <br> Protection Private: Furniture locks with keys provide sufficient security and protect not only your important items, but also your children from dangerous items such as sharp tools and non-edible cleaning products. In addition, it provides great privacy for personal items so that they are not visible to others. Versatile use: suitable for mailboxes, desk drawers, cabinets, table display cases , drawers, desks, jewelry boxes.<br> <br> Product details:<br> Thread diameter: 18 mm.<br> Cylinder diameter: 23.5 mm.<br> Length of the cylinder: 20 mm.<br> For door thickness: maximum 20 mm.<br> Opening angle: 90.<br> <br> Box contents:<br> 5 x cabinet locks.<br> 10 x keys.