This Brinks commercial grade padlock is a full 50mm (2 inch) in size, featuring full body thermoplastic jacket with sliding keyway cover designed to withstand all extreme weather conditions. This lock is made to be outdoors and used in the toughest conditions. This product also features a highly cut resistant 2 inch Boron steel shackle, stainless steel locking bars, and 5 pin cylinder with anti spool pins, making it pick resistant. If you have a tough outdoor environment, this is the lock for you!