HQProp 3X1.8X3（2CW+2CCW)-Poly Carbonate-1.5MM
 
Propeller Diameter:3inch       
Pitch :1.8             
Blades : 3
Material : Poly Carbonate        
Weight :1.2g
Hub Diameter : 10mm           
Hub Thickness:4.5mm           
Shaft 1.9/1.5 or 2/1.9mm
Adaptor Rings : NO