This Yale Locks Brass Padlock has a hardened steel shackle and 5 pin cylinder with double locking feature. Designed to protect your work or gym locker, backpack, toolbox and any other indoor valuables you want to keep secure. Tested up to 96 hours for corrosion resistance to ensure protection against different weather conditions Tested to EN12320:2012, stimulating forms of attack such as cutting, pulling and twisting of the shackle. Tested to 10,000 cycles (opening and closing) for optimum performance. Specification: Body Width: 60mm. The Yale Locks Brass Padlocks are constructed from hard wearing boron, and are rigorously tested against corrosion. The 4 pin cylinder with single locking feature (20mm) and 5 pin cylinder with double locking feature (30 60mm). 60mm