uxcell 4Pair 1045 10" Dia 4.5" Pitch Green Plastic CW/CCW Rotating RC Hexrcopter Quadcopter Prop Product Name : RC Airplane Propeller;Vane Number : 2;Model : 1045(Non-OEM) Type : CW/CCW;Motor Shaft Hole Dia : 6mm / 0.24";Total Length(Rotating Diameter) : 254mm / 10" Pitch : 4.5";Max Thickness : 3.5mm / 0.13";Shaft Size Adapter Ring Inner Dia : 3mm, 3.2mm, 4mm, 5mm, 6mm, 7.95mm Material : Plastic;Color : Green, Black Weight : 104g;Package Content : 4 Pair x RC Airplane Propeller8 x Shaft Adapter Ring