Solid brass body with heavy duty cover to protect keyhole from the elements. Cut resistant steel shackle protects against sawing and cutting attacks. Dual ball-bearing locking system resists pry attacks, while the six-pin cylinder system resists pick attacks. This high security lock is supplied with 2 keys. 1 piece in set. Bronze material: brass. Key lock. Size H11.5, W5, D2.5cm. Weight 0.671kg. Manufacturers 30 year guarantee.