Yale Locks 84 Standard Nightlatch 40mm Backset DMG Finish Box Trousers tempered and chrome plated with

tempered and chrome plated with mirror finish

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Auto shut-off control applies no more than 34 Nm of torque for hand-tight fastening applications to prevent over tightening

Yale Locks 84 Standard Nightlatch 40mm Backset DMG Finish Box Trousers tempered and chrome plated withThe Yale 84 Standard Nightlatch Security Lock is key operated from the outside and lever handle operated from the inside. The latch automatically deadlocks on closing the door and the snib function (bolt hold back button) enables the latch to be held back. Supplied with 1109 Cylinder in brass. The 84 series security nightlatches have a 40mm backset, this is the measurement from the edge of the door to the centre of the keyhole. Locks with a 40mm