Goldberg Spinner Black 2-3/4" (Discontinued)
4-pin spinner takes larger props, shafts and hubs without sacrificing
performance or convenience
With 5 prop shaft adapters (included), the improved 4-pin design
fits most props, eliminating reaming the back plate or trimming the
Pre-balanced, lighter than aluminum and free of unsightly surface
Perfect shape and polished finish.
Diameter (at base): 2.75" (70mm) / Length: 2-7/8" (73mm)