This is an awning operator of aluminum diecast construction with a gray baked enamel finish used on Pan-American Windows. It is left-handed with a matching crank handle with a 2-5/8 in. link arm. It has an L-shaped mounting hole pattern that has two top holes that are 5-1/4 in. from center of the top holes to the center of the bottom hole and the two horizontal holes in the bottom leg are 1-5/16 in. on center.