This is an awning operator of aluminum diecast construction with a gray baked enamel finish used on Stanley-C and E Windows. It is right-handed with a matching crank handle with a 2-3/16 in. link arm. It has an L-shaped mounting hole pattern that is 5-1/4 in. from center of the top hole to the center of the bottom hole and the 2 horizontal holes in the bottom leg are 1-3/8 in. on center.