This is a Yellow 2¾" Snap-On Spinner from Carl Goldberg Models.
FEATURES: Nylon construction, Yellow in color
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 Yellow 2¾" Spinner
SPECS: Diameter (at base): 2.75" (70mm)
Length: 2-7/8" (73mm)