2Pcs 9 x 5 Black Plastic Folding Propeller Vanes for RC Powered Glider Product Name : Folding Propeller Vanes;Model : 9 x 5 Inch Motor Shaft Hole Dia : 3.17mm/ 0.12";Rotating Diameter : 229mm / 9" Pitch : 127mm / 5";Root Thickness : 8mm / 0.31" Material : Plastic;Color : Black Weight : 11g;Package Content : Pairx Folding Propeller Vanes