The 57mm shackle of this 4 Digit Long Shackle Combination Padlock is made from hardened zinc alloy, meaning it will remain robust and resistant to rust and corrosion. Ideal for sheds, gates, and outdoor storage, this lock is secured with a four-digit combination, ideal for anyone who may find themselves losing keys a lot or wants to avoid the risk of lock-pickers. Instructions on how to set up this padlock are included, so you can lock away your belongings straight away and feel safer for it.