This is an APC 14x6 Sport Propeller designed for radio control model vehicles. It is manufactured in the United States and is compatible with gasoline and nitro power plants. The propeller has a two-blade design with a size of 14 inches. The color is grey and it is suitable for a 1:4 scale model. Fast and free shipping, Free Returns, Trusted Seller, Buy with Confidence! Mr. Mogley