Master Lock
The S-series includes the 6835 series and American Lock® S1100 series, and it features the W401/W417 safety exclusive restricted keyway that prevents the creation of duplicate keys in the field. The aluminum locks provide corrosion resistance to withstand harsh environments and are available in shackle height sizes of 1, 1-1/2, and 3 inches. The series includes the LifeGuard® key recordkeeping system to prevent duplication of specific keys.