HQProp R42 5.1x4.1x3mm Racing Drone Propeller - Grey (16 Pack) - High-Performance FPV Quadcopter Propellers for Racing & Freestyle Drones

HQProp R42 5.1x4.1x3mm RACING PROPELLER - Grey (Pack of 16pcs)

Racers asked for slightly stiffer and faster version of the popular HQ 5.1x4.1x3

This is the answer from HQ!
This prop was designed having in mind only one thing, RACING!

Specifications:
Propeller Diameter: 5.1inch       
Pitch: 4.1               
Blades: 3
Material: Poly Carbonate        
Weight:4.9g
Hub Diameter :13mm           
Hub Thickness:7mm           
Shaft :5mm (Compatible with POPO motor)
Adaptor Rings: NO

Package included:
8x HQPROP R42 RACING PROPELLER CW
8x HQPROP R42 RACING PROPELLER CCW