Designed to meet the needs of contractors and small businesses. 2-1/8" wide reinforced laminated steel body. Hardened boron alloy shackle for maximum cut resistance. 5-pin cylinder helps prevent picking. Dual ball bearing locking for maximum pry-resistance. Flex Fit keyway cover minimizes jamming. 5/16" shackle diameter, 1-1/8" vertical and 7/8" horizontal.