This is the Great Planes PowerFlow 11x8.5 Electric Propeller.FEATURESConstructed of plastic, Black in colorINCLUDESOne Great Planes PowerFlow 11x8.5 Electriv PropellerSPECIFICATIONSDiameter: 11" (254mm)Pitch: 8.5Hole Diameter: 1/4" (5.5mm)COMMENTSFor electric flight ONLY, do not use with nitro powered aircraft.
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