Pin tumbler locking mechanisms and steel shackles to resist tampering. Brass bodies and cylinders resist corrosion. For storage cabinets, drawers, display and file cabinets, gun racks, luggage, and general security. Standard steel shackle. Two brass plated keys included. 3/4 in wide case, 5/32 in diameter shackle, and 1/4 in horizontal shackle clearance.