This is an awning operator of aluminum diecast construction with a grey baked enamel finish used on Andersen windows. It is left handed with a matching crank handle with a 2-5/8 in. offset link arm. It has an L shaped mounting hole pattern with one hole offset on the straight edge. The mounting holes are 4-1/2 in. from centre of the top hole to the centre of the bottom hole and the two horizontal holes in the bottom leg are 1-7/16 in. on centre.