This is a White 2" Snap-On Spinner from Carl Goldberg Models.
FEATURES: White nylon construction.
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.
INCLUDES: One White 2" Spinner.
SPECS: Diameter (at base): 2.0" (51mm)
Length: 2-1/8" (54mm)