These 31mm props are just customed for 65mm brushless drones that have 1.0mm motor shaft. The recommended motor is 0603 motor, and 080X motor like 0802 motors.
Specifications:
- Item: 31mm 3-blade Props
- Blades: 3
- Material: PC (Poly Carbonates)
- Center Thickness: 5mm
- Prop Disk Diameter: 31mm
- Mounting hole: 1.0mm shaft
- Max Prop Width: 5.71mm
- Weight (2CW+2CCW): 1g
- Color: White / Clear Blue