Alu-Spinner 38 mm Graupner 215.38 Accurately made, true-running spinners for two-blade propellers. The backplate is fitted between propeller driver and propeller, and rests flush on the driver disc. A rebate in the spinner cap locates and centres it in the backplate. The spinner cap is secured using a central screw. Ø 38 mm
Length 38 mm
Hub bore approx. 6,3 mm
Retaining nut with engine shaft thread ¼-28 UNF