The Master Lock 1KADLN laminated steel padlock features a 1-3/4 in. (44 mm) reinforced laminated steel lock body providing extra strength and a 5-3/4 in. (150 mm) tall, 5/16 in. (8 mm) diameter hardened steel shackle for excellent cut resistance. Dual ball bearings locking for maximum pry resistance making it ideal for industrial applications. The limited lifetime warranty provides peace of mind from a brand you know and can trust.