Twin pack of Excell 45mm laminated steel body locks with a thermoplastic cover gives maximum protection against the elements. Patented 8mm thick octagonal boron carbide shackle with 38mm vertical clearance for excellent bolt cutter resistance, dual ball bearing locking mechanism for maximum pull and pry resistance. Supplied with 4 keys. 2 pieces in set. Black material: steel. Key lock. Size H9, W4.5, D2.8cm. Weight 0.51kg. Manufacturers lifetime against defects only guarantee.