Enhance the functionality of your left-hand casement windows with the Truth Brown Ellipse Left Hand Casement Window Operator. This 7-1/2" single arm crank mechanism is meticulously crafted for precision, ensuring smooth and reliable operation. Made from high-quality materials, it provides the strength and durability needed to replace worn or damaged parts, whether for residential or commercial use. Upgrade your window performance today and enjoy seamless opening and closing action with this trusted replacement crank. (Crank handle sold separately.)