Product Description This casement operator is constructed from diecast and comes finished in bronze. It features a square body with a 9 in. steel arm and 3/8 in. spindle. It easily mounts to the left side of your window when viewed from the inside. From the Manufacturer This casement operator is constructed from diecast and comes finished in bronze. It features a square body with a 9 in. steel arm and 3/8 in. spindle. It easily mounts to the left side of your window when viewed from the inside.