Ace White Steel Left Single-Arm Casement Window Operator For Jalousie

Left-handed white square body casement window operator with a 9 in. steel arm featuring a round disc on the tip (some older styles had a small wheel instead). The worm gear is driven by a 3/8-inch crank spindle. Includes matching crank handle and installation screws. Mounting holes are available at 3-7/8 and 4-3/4 inches in center.