Propeller Diameter: 5 inch   Pitch : 4                 Blades : 4 Material : Poly Carbonate         Weight : 4.42g Hub Diameter :13.2 mm            Hub Thickness:6.9mm            Shaft :5mm Adaptor Rings : NO Includes 2 x CW HQProp 5X4X4V1S propeller 2 x CCW HQProp 5X4X4V1S propeller