Propeller Diameter: 2.5 inch        Pitch : 3.5                                 Blades : 3         Material : Poly Carbonate            Weight :1.3g Hub Diameter : 9.8mm             Hub Thickness:5mm         Shaft :1.9/1.5/1.9mm  Adaptor Rings : NO Includes 2 x CW HQ Durable Prop T2.5X3.5X3  2 x CCW HQ Durable Prop T2.5X3.5X3