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

Includes
2 x CW HQProp 5.1x4.5 propeller
2 x CCW HQProp 5.1x4.5 propeller