HQProp Slow Flyer Pusher 10X4.5R 2-Blade Propellers (Black)

Specifications:

Propeller Diameter: 10 inch       
Pitch: 4.5             
Blades: 2
Material:  Carbon fiber Composite 
Weight: 10.03g
Hub Diameter: 14mm           
Hub Thickness: 8mm           
Shaft: 9.5/8/6mm
Adaptor Rings: 6/5/4/3