HQProp 5.1X4.5 Grey (2CW+2CCW)-Poly Carbonate

Propeller Diameter: 5.1 inch       
Pitch : 4.5                 
Blades : 2
Material : Poly Carbonate        
Weight :3.38g
Hub Diameter : 13mm           
Hub Thickness:7mm        
Shaft :5mm 
Adaptor Rings : NO