Graupner aluminium spinner, 101mm Ø 2 BladesProduct informationAccurately 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.Technische DatenØ 101 mmLength 101 mmHub bore approx. 8 mmRetaining nut with engine shaft thread 5/16“-24 UNF