Backset 40mm Case Size (mm): 76H x 67D Satin Chrome Forend Extended box strike for additional strength. Can be supplied with micro-switches for use with alarm systems. Supplied with matching escutcheons. Deadbolt is locked or unlocked by key from either side.High security, insurance locks. Ideal for front door security. British Standard (BS 3621:1980). This item previously branded Chubb Locks.
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