Featuring two folding window casement replacement handles, Ideal Security’s SK927 is a discrete, unobtrusive solution to seamlessly and securely operate your out-swinging window. Designed with 11/32” window operator splines in mind (slightly larger than 5/16” splines), our casement window crank handles can easily replace old or damaged window handles meeting these design specifications. By snapping it in place, your crank out window will be stylishly functional with our durable folding replacement window handle. Ideal Security has been supplying quality hardware since 1956. Please explore our other security and protection products for your home.