The Union L2049 Horizontal Euro Mortice Sashlock features a case turn key that operates the deadbolt, while the latch is retracted using the handle. It includes a faceplate measuring 121mm by 25.5mm, with forend screw centres spaced at 103mm. The case dimensions are 70mm in height and 149mm in width, with a backset of 51mm. The distance from faceplate to spindle centres is 127mm, and it uses an 8mm spindle. This lock comes complete with a strike plate and necessary fixings.