Application: For timber doors hinged on the left or right Keys suitable for use on doors up to 54mm thick Specification: Deadbolt locked or unlocked by key from either side Latch bolt withdrawn by knob or sprung lever handle from either side Two way action, suitable for knobs or sprung lever handles Pierced to accept bolt through furniture May be keyed alike with 2157, 2177, 2277 and 2477 NB: Not suitable for master keying Reversible latch bolt Available with square forend and striking plate Case Size: 124mm (5") or 149mm (6") Backset: 38mm or 51mm Case: Steel, silver powder coat Forend: Stainless steel or brass Striking Plate: Finished to match forend Deadbolt: Brass, with hardened steel rollers Latch Bolt: Brass, easily reversible Follower: 8mm square. Two way action Rebate Kit: 2939 (13mm, 19mm or 25mm) Keying Groups: May be supplied to pass. Supplied with 2 steel nickel plated keys Key Blank Number: KB436 Keying: 100 standard differs, (numbers M101M - M200M)