Laminated steel case with bumper. Chrome plated shackle. Lock body and shackle guaranteed not to rust. Dual steel levers lock both sides of case-hardened. Two nickel plated steel keys with covered key heads included. "Rustoleum" finish for lifetime rust protection. 1-9/16 in wide case, 9/32 in diameter shackle, and 5/8 in horizontal shackle clearance.