This is the Dubro 2-1/4" Diameter Black Spinner.
Constructed of 100% Virgin Nylon for maximum strength.
Pre-trimmed for two blade propeller.
Uses a unique nylon insert lock design for attaching the
backplate and spinner-giving a solid and secure hold.
Four shaft adapters, 6mm, 1/4", 7mm, 5/16",
eliminates need to drill out backplates.
One Dubro 2-1/4" Diameter Black Spinner with backplate,
four shaft adapters, and two 3.5mm x 18mm socket head cap screws.
Aligning pins in nose cone to backplate and fastening into pre- installed l
ocknuts with the two socket head cap screws. 7/64" ball driver.
Diameter: 2.25" (57mm) at base Length: 2.44" (62mm) from backplate to tip