Introducing the R38 HeadsUp Racing Propeller by HQProp. These props are made with polycarbonate material to give your quad maximum performance. 

Responsive, lightweight, durable and efficient!

SPECIFICATION

• Propeller Diameter: 5.1inch       
• Pitch : 3.8               
• Blades : 3
• Material : Poly Carbonate        
• Weight :4.4g
• Hub Diameter :13mm           
• Hub Thickness:7mm           
• Shaft :5mm
• Adaptor Rings : NO