Sold as singles - package content = 1 prop
 
Propeller Diameter: 11 inch       
Pitch : 4.5             
Blades : 3
Material :  Glass fiber Composite 
Weight : 32g
Hub Diameter : 19mm           
Hub Thickness: 10mm           
Shaft :5mm
Adaptor Rings :No

Includes
HQ MacroQuad Prop 11X4.5X3R(CW) Black-Glass Fiber Reinforced Nylon