uxcell 2 Pairs 1147 11x4.7 CCW Black Carbon Fiber RC Airplane Propeller Props Product Name : 1147 Propeller;Vane Number : 2;Model : 11 x 4.7(Non-OEM) Motor Shaft Hole Dia : 6mm / 0.24";Total Length(Rotating Diameter) : 279mm / 11";Pitch : 119mm / 4.7" Max Thickness : 8mm / 0.31";Shaft Size Adapter Ring Inner Dia : Biggest: 6mm/0.31"Smallest: 5mm/0.12" Material : Carbon Fiber;Color : Black Weight : 63g;Package Content : 2 Pair x Propellers4 x Adapter Ring