Prime-Line Left Hand Aluminum Casement Operator

Used on steel-framed windows Worm gear mechanism driven Includes operator with 9″L steel arm and 3/8″ diameter spindle, crank handle, and set of installation screws Hand determined by window hinge location from inside home looking out Used on steel-framed windows. Worm gear mechanism driven. Includes operator with 9″L steel arm and 3/8″ diameter spindle, crank handle, and set of installation screws. Hand determined by window hinge location from inside home looking out.