Heavy duty tubular mortice door latches, specified for use with unsprung door furniture such as the Delamain door knob collection and the Queen Anne knobs. Available in 2 ½, 3, 4 & 5inch sizes, in brass, chrome or bronze plate finish. NB: The 2 ½" latch will not take bolt through fixings, and for door knobs we would recommend a least a 3inch latch is used.

2 ½" latch has 45mm backset from door to centre spindle.

3" latch has 57mm backset from door to centre spindle.

4" latch has 82mm backset from door to centre spindle.

5" latch has 108mm backset from door to centre spindle.