The Master Lock number 5 laminated steel padlock features a 2 inch (51 mm) wide reinforced laminated steel lock body providing extra strength and a 1 inch (25 mm) tall, 3/8 inch (10 mm) diameter hardened steel shackle for excellent cut resistance. The 4 pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. The Lifetime Guarantee provides peace of mind from a brand you can trust.