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.
These operator folding handles are used on casement, awning, jalousie, and louver window operators
Designed to fit 11/32 inch spindle size only
Handle constructed of diecast zinc
Used to replace the normal crank handle to avoid interference with window blinds and features split shaft fold-over design with a 1-5/8 inch projection
Please refer to the line art drawing for the dimensions and compare with your needs before purchasing (Not Universal)