High security: Compared to a 3-position padlock, a 4-position padlock can provide 10000 combinations to increase security. Equipped with advanced damper design, it can accurately set codes. There is no random code set.Easy to use: comes with clear instructions. Easy to set and reset your own four digit code. Small size, light weight, easy to store and carry. There's no need to play with the keys anymore.Durable padlock: The lock adopts a zinc alloy body, stainless steel cover, hardened steel lock buckle, and anti gasket locking mechanism, which has strength and safety, cutting resistance, rust resistance, and weather resistance.Multiple uses: This waterproof padlock is very suitable for indoor and outdoor use. for gyms, school lockers, employee lockers, sports lockers, cabinets, toolboxes, garages, sheds, buckles, gates, fences, and containers.