This is an awning operator of aluminum diecast construction with a grey 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 centred. The dimensions are 5-1/4 in. from centre of the top hole to the centre of the bottom hole and the 2 horizontal holes in the bottom leg are 1-1/4 in. on centre.