Product Description This operator crank tee handle is constructed of zinc diecast and comes in a stone colored finish. These contoured base t-cranks fit 3/8 in. Andersen casement operator splines and are designed to help eliminate window blind interference. Handle locks onto spline with set screw. From the Manufacturer This zinc die cast constructed handle is a perfect replacement for Andersen Brand casement operators. The T-crank design helps to eliminate window blind interference. Easily fits a 3/8 In. diameter operator spline. Comes in a stone bronze colored finish.