Usage Tips:【Large Heavy Duty Padlock for Indoor and Outdoor】The large heavy duty padlock adopts one-piece lock body, 304 stainless steel lock beam, lock body width 53mm, lock latch diameter 8mm, weight 270 grams. Maximum security combination locks are designed for indoor and outdoor use such as gates, garages, sheds, fences, warehouses, schools, gyms, employee offices and more. Provides better protection and security against theft.【Weatherproof】The waterproof combination padlock is made of high-strength zinc alloy, rust-proof and weather-resistant. This padlock features a zinc body and reinforced bumper for strength and reliability, as well as a hardened 304 stainless steel shackle for increased cut resistance. More than 180 hours of salt spray testing have been carried out to prove its resistance to harsh conditions.【4-digit password lock】Different from the 3-digit password, it provides 10,000 password combinations, which is more difficult and secure than the previous version. In addition, the 4-position metal coding wheel of the latch is strong enough to not be removed or cracked by human effort. You will never have to worry about security again!【One-touch locking design】The locker padlock has a unique appearance, is practical and has a sense of ritual. After setting the 4 codes, press the middle button to make the hook appear.【Hidden password to prevent mistakes】The password is located at the bottom of the lock, improving concealment. To change the password, you need to unscrew the screw, push the SET button up to see the SET button, and then reset the password. This can effectively avoid the problem of being unable to open the password due to unintentional password changes.