Product Details:

Awning Window Operator - Contemporary Style
For Nu-Aire Windows
Left Hand

One screw hole on top; hole is centered.
Screw holes, center-to-center, Bottom: 15/16"
Screw holes, center-to-center, Vertical Mounting: 5-1/8"
Straight link arm: 2-5/8" with a 3/8" hole at the link end

One operator with link arm per package