Quantity: one piece10-digit button padlock, 5 preset digits (unchangeable) Uses: garden gate, pool fence, cabinets, gym lockers, safe, suitable for children and the elderly due to its ease of use. 10 position padlock with 5 position locking mechanism for quick and easy opening. Hardened steel shackle. Each padlock is individually tested at the factory to ensure smooth performance before packaging.Manufacturer locks provide superior security to protect your belongings from theft. This heavy duty combination padlock uses a 10 position button system. Hardened steel locking shackle and 5 position locking mechanism. Rugged die-cast zinc housing. Each padlock's preset number is random and cannot be changed. The password of this padlock has been set, and each lock has a unique permanent password, so remember to remind you not to forget its ID password, 5 preset numbers (unchangeable).Unlock method: (1) Press this number according to your ID number. (2) Snap under the lock. (3) The lock opens automatically