3Pair 8x4.5L 208mmx114mm 2 Blade Positive Reverse Prop for Multirotor Product Name : 2 Vane RC Airplane CW CCW Propeller;Model : 8 x 4.5L;Fit Motor Shaft Diameter : 6mm / 0.24" Adjustable By Hole Adapter : 3mm, 3.2mm, 6mm, 6.35mm, 4mm, 3.5mm, 5mm, 4.8mm;Total Length(Rotating Diameter) : 208mm/ 8" Pitch : 114mm/ 4.5";Hub Thickness : 10mm / 0.4" Material : Plastic;Color : Black Weight : 50g;Package Content : 3Pairx 2 Vane RC Airplane CW CCW Propellers6Pcsx LocatingRings(Each 8 in 1)