The Yale M888 tubular mortice latches are suitable for internal doors where no locking is required. The latch bolt is withdrawn by spring lever handle from either side, but they are not suitable for unsprung lever handles.
The Yale YAL3PM888PB2 M888 Tubular Mortice Latches come with the following dimensions:
Size: 64mm (2 1/2 inch)
Finish: Polished Brass