Left hand die-cast torque operator used on RV's awning or louvre windows. 

Application: Side Mount Operator
Hub Projection: 5/8 inch 
Inside Diameter Hole: 1/2 inch 
Screw Hole Centers: 1-13/16 inch ( Vertical & Offset) 
Width: 1-3/16 inch
Length: 2-1/4 inch
Thickness: 1/2 inch
Handed: Left Handed
Note: Handing is determined by viewing from inside of window