This 70mm lock is constructed with a stainless steel body and shackle to resist corrosion and provide superior cut resistance. The lock features a 4-pin cylinder making it pick resistant, and a rubber jacket to reduce damage to your valuables and contact surfaces. This is a 2-pack of locks keyed alike. This product is ideal for storage units, lockers, sheds, truck work boxes, and construction site storage. This line of Commercial grade locks is designed to exceed the rigorous expectations of professionals.