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Mortice cylinder nightlatch case, 57 mm backset
• Operation: Latch bolt operated by lever handle inside and single outside, or by cylinder and thumbturn only. Can be held back by knurled wheel • Case: Black powder coated steel • Forend: Square, 2 piece, stainless steel or brass • Strike plate: Square, flat, included • Latchbolt Brass, reversible with anti-thrust detent • Cylinder: Profile using adaptor plate included or oval - all types • Follower: 8 mm • Fixing screws included • No adjustable spring tension or bolt through facility on this lock
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