The Master Lock No. 5 Laminated Steel Padlock features a 2in (51mm) wide reinforced laminated steel lock body providing extra strength and a 1in (25mm) tall, 3/8in (10mm) diameter hardened steel shackle for excellent cut resistance. Dual locking levers provide extra pry resistance making it ideal for industrial applications and the non-rekeyable, 4-pin W1 cylinder helps prevent picking.