The only fixings used with this latch are screws for the forend to secure it into the mortice.

This unit is only a latch and does not have a locking function.

The strike plate dimensions are 55 x 33mm (HxW).

The spindles size is 8mm.

The square follower would be metal.

The Legge 3721 is not suitable for use with unsprung lever handles. Heavy duty tubular mortice latches can be supplied as a special order.