The Master Lock No. 500 Laminated Steel padlock features a 1-3/4in (44mm) wide laminated steel body for superior strength and a 13/16in (21mm) tall, 9/32in (7mm) diameter steel shackle to provide strong cut resistance. Rustproofed for extended wear, the warded locking mechanism minimizes jamming from dirt and grime, making this padlock ideal for manufacturing environments.