This is an awning operator of aluminum diecast construction with a gray baked enamel finish used on Air Control-Keller Windows. It is right-handed with a matching crank handle with a 2-3/8 inch link arm. It has an L-shaped mounting hole pattern that is 5-1/4 inch from center of the top hole to the center of the bottom hole and the two horizontal holes in the bottom leg are 1-1/8 inch on center.
This awning window operator is constructed from aluminum. It features case hardened steel gears and includes a crank handle. This style operator is used on Air Control-Keller awning windows.