Yale Esssential Discus Keyed Alike Padlock is suitable for use on gates, sheds and other outdoor applications. The padlock features a disc-type locking mechanism that is more resistant to picking than traditional pin tumbler locks. It has anti-cut, chrome plated, hardened steel shackle. Spring loaded keyhole cover. It passes 96 hours of corrosion testing. Suitable for standard security applications and outdoor use.