Keyless Combo Lock: 4-digit codes offer 10, 000 resettable combinations for increased security compared with 3-digit codes. Easy to set your new safe password for keyless convenience. Lock body is made of solid Zinc Alloy Metal with Stainless Steel Shackle. The internal lock cylinder is made of heavy brass Safe Circular Design: The disc padlock is designed with a round shape, which minimizes shackle exposure and allows excellent cut resistance for higher security Wide Applications: Store2508 combination padlock is great for warehouses, garages, gates, fences, school gym lockers, storage units, trailers, moving trucks, etc.