This Yale Brass Padlock 40mm features double locking and hardened steel shackles for added security, it’s suitable for a toolbox, rucksack and locker etc. Tested to 10,000 cycles (opening and closing) for optimum performance this Yale Padlock has a solid brass body and CEN grade 1, tested to EN 12320:2012. The Yale padlock is tested up to 96 hours for corrosion resistance to ensure protection against weather conditions.