Terrace Door Lower Assembly  used with upper Lock cylinder section.
the handle has 90 degree rotation (down only) or has 180 degree rotation (rotates up & down).
Application: Side Hung and Tilt Sash
As long as the application is NOT for a tilt-turn or First-tilt window the 6-25916-35-0-1 may be used. ( Pictures are a Side Hung Sash )
Faceplate Width: 15/16 inch  (24mm)
Faceplate Height:  7-7/8 inch ( 200mm)
Backset: 1-3/4 inch (45mm) 
Available Backsets: 25mm, 30mm, 35mm, 40mm, 45mm, 50mm