This is the Graupner 34mm Spinner for Cam Folding Propeller Blades.|
Plastic construction, white in color
Fits motors with 4mm and 5mm output shafts
Spinner with Taper Collet, Backplate, Blade Socket, Nut, Washer
Spinner Diameter: 1.33" (34mm)
For use with electric motors and folding propellers only.