These HQprop Duct series propellers are designed specifically for use with cinewhoops and other ducted drones.

Package Includes:

2 x CW HQProp Duct-3 propeller
2 x CCWHQProp Duct-3 propeller

Specifications:

Propeller Diameter: 3 inch
Pitch : 3
Blades : 3
Material: Poly Carbonate
Weight:1.93g
Hub Diameter: 11mm
Hub Thickness:5.7mm
Shaft:5mm
Adaptor Rings: NO