This commercial grade padlock is 44mm in size, featuring 22 steel laminates in the lock body. This padlock features a consumer preferred powder coated finish designed to withstand All extreme weather conditions. This product also features a highly cut resistant 1-1/2 inch boron shackle, stainless steel locking bars, 2 bumpers, and 4 pin pick resistant cylinder. Lifetime warranty included. As a Global leader in security-related products and services, the Brinks name is synonymous in top quality merchandise to keep you and your valuables safe. A credit to this tradition, Brinks' line of commercial grade locks are designed to exceed the most rigorous expectations of tradespeople.