Roto Long Arm Casement Window Operator with Hex Spline for Handle
This operator may also work on some awning windows
Right Hand as shown
For C-620 windows
Arm Length: 10"
Mounting Bracket: 4-3/8"
Mounting screw slot spacing: 9/16"
Spline: Hex (6 sided)
Priced and sold each.
This product is similar to or the same as the following part numbers in these brands:
Strybuc Industries: 36-486RHBEW