HQProp 5.1x4.1x3 Propellers POPO (4pcs)

Feature compatibility with the POPO prop mounting system as well as maintaining compatibility with existing 5mm hub motors.
Propeller Diameter: 5.1 inch
Pitch : 4.1 
Blades : 3
Material : Poly Carbonate
Weight : 4.5g
Hub Diameter : 13.2mm
Hub Thickness:7mm
Shaft :5mm