This is a Master Airscrew "Scimitar" Prop which is Made of Lightweight, Charcoal Gray, Glass-Filled Nylon.
Scimitar Props resemble a "Scimitar Sword" in that they are curved on one side and flat on the other. The Latest in Engineering Technology used for this Updated Design. Lower Noise and Accurate Balance Available in a Wide Array of Sizes to Suit Every Application. Propeller is totally fuel-proof.