Alu-Spinner 89 mm Graupner 215.89 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 89 mm
Length 88 mm
Hub bore approx. 8 mm
Retaining nut with engine shaft thread 5/16-24 UNF