This is an awning operator of aluminum diecast construction with a gray baked enamel finish used on Tucker Windows. It is right-handed with a matching crank handle with a 2-3/8 in. link arm (as viewed for the inside looking out). It has an L shaped mounting hole pattern with a top hole that is off centered. The dimensions are 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 1-1/4 in. on center.