This Prime-Line H 4318 is a folding crank handle that fits most casement operator crank spindles. It is diecast construction with a coppertone finish. The 11/32 inch spline system will only fit 11/32 inch casement operators. It is easy to install. The folding design is often used to replace the normal crank handle to avoiding interference with window blinds.
White painted finish folding arm is constructed from diecast zinc metal to reduce projection distance and interference with window coverings
Universal fit with set screw and plastic inserts which are 11/32, 5/16, 3/8, 9/32 inches all with 12 ridges and a 3/8 inch with 11 ridges
Align the adapter with the set screw on the handle and pass the screw through the hole and set directly on metal spindle shaft to hold in place
Ensure your operator has been thoroughly cleaned and lubricated and the brooches are not worn for optimal performance, a tight fit is best
Please compare the line art drawing for dimensions and compare with the spindle you have before purchasing
