Case Size (mm): 89H x 67D Forend (mm): 134L x 26W Backset: 44mm Chrome Plated Forend New Longer 20mm Dead Bolt. As supplied with the Era Fortress BS3621 cylinder deadlock. Higher security levels are delivered by a 20mm bolt throw on every lock, and the deadlock has hardened steel plates to resist drilling, and four hardened steel rollers in the deadbolt resist hacksawing.
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