This is the 1-9/16" White Electric Spinner from Du-Bro.
Super lightweight plastic spinner
Aluminum collets for 3mm motor shafts
Spinners designed to fit with most slow flyer props
One spinner cone and backplate
SPECS: Spinner Diameter: 1-9/16" (40mm)
Spinner Backplate Thickness: .23" (6mm)
Prop Shaft diameter: .275" (7mm)
COMMENTS: Also available in black (DUBQ3966) and red (DUBQ3967)
BOX DIMENSIONS: 3.25" W. X 1.63" H. X 3.25" L.
BOX WEIGHT: .03 LBS.