The "100GL" meets the original military specifications for a solid-body low security padlocks. Some military organizations demand the solid-body design and that's where the 100GL padlock goes to work. It has an 1-3/4" wide hardened steel body and a 5/16" hardened steel shackle. The cylinder is a 5-pin rekeyable. What's more, our small, family business employs disabled workers to manufacture these "U.S. Made End Products." The other supplier of these locks has them coming out of Mexico. Support a family business that supports disabled workers and US manufacturing ~ buy PACLOCK!