Specification:

Brand: HQProp

Model: Duct T90MMX3

Item Name: 90mm 3-Blade Propeller

Propeller Diameter: 90MM       
Pitch: 3                
Blades: 3
Material: Poly Carbonate        
Weight: 2.35g
Hub Diameter: 11mm           
Hub Thickness: 5.5mm           
Shaft: 1.9/1.5/1.9mm
Adaptor Rings: NO

Package Included:

2 x HQProp Duct-T90MMX3 propeller CW 
2 x HQProp Duct-T90MMX3 propeller CCW