About this product:-
 
The HQProp T3.5X2.5X3 Propeller is a 3.5" T-mount prop that has three blades and a 2.5" pitch.
Features
 T-mount w/ a 2.5" pitch
(1CW-1CCW)
Specifications:-
Propeller Diameter: 3.5 inch
Pitch : 2.5
Blades : 3
Material : Poly Carbonate
Weight : 1.55g
Hub Diameter : 10mm
Hub Thickness:4.7mm
Shaft :1.9/1.5/1.9mm
Adaptor Rings : NO