6Pcs 9045L 3-Vane Propeller Colorful w Adapter Rings Product Name : 3-Vane RC Airplane CW CCW Propeller;Model : 9 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) : 228mm/ 9" Pitch : 114mm/ 4.5";Hub Thickness : 10mm / 0.4" Material : Plastic;Color : Black, Orange, Green Weight : 110g;Package Content : 3Pairx 3-Vane RC Airplane CW CCW Propellers6Pcs x LocatingRings(Each 8 in 1)