The Yale protector weatherproof steel padlock 55mm has an anti-cut boron shackle. With its anti pick 5 pin cylinder and double ball locking for pull/pry resistance it is great for protection and outdoor applications. It has an upgraded weather-proof jacket key way cover for additional corrosion protection. The Yale protector weatherproof steel padlock 55mm is tested to EN 12320:2012 and is suitable for garages, sheds, outdoor storage, cellar doors, gates and boats.