The 969 Series of Sliding Mortise Locks are suitable for doors as small as 1" thick.  They are made of brass with stainless steel springs and are available in polished brass, polished chrome and matte/satin chrome finishes as are all of the trimsets, plates and handles.

All of  the mortise locks in the 969 Series feature the same size mortise case shown here.

Case Depth: 60mm (2 3/8")

Case Height: 141mm (5 9/16")

Case Thickness: 13mm (4/8")

Faceplate width: 18mm (12/16")

Faceplate length: 200mm (8")

Backset: 32mm (1 2/8") distance from front of faceplate to center of handle/keyhole

For privacy and locking models only (969WC, 969 & 969Z):

Centers: 60mm (2 3/8") distance from center of handle hole to center of keyhole.

969 Strike Plate:

Length: 100mm (3 15/16")

Width: 20mm (13/16")