These 4" Bi-Blad Propellers have nothing but efficiency and speed written all over them. They're super lightweight and have a low pitch for extended flight times.
SPECIFICATIONS:
- Propeller Diameter: 4 inch
- Pitch: 2.5
- Blades: 2
- Material: Poly-Carbonate
- Weight: 1.45g
- Hub Diameter: 9.8mm
- Hub Thickness: 5mm
- Shaft :1.9/1.5/1.9mm
- Adaptor Rings: No
INCLUDES:
(4) HQProp DP T4X2.5 2-Blade Propellers (2CW & 2CCW)