These propellers feature a T-mount and have a pitch of 1.8.

Package Includes:

2 x CW HQProp T3X1.8X3 propeller
2 x CCWHQProp T3X1.8X3 propeller

Specifications:

Propeller Diameter:3inch
Pitch:1.8
Blades : 3
Material: Poly Carbonate
Weight:1.2g
Hub Diameter: 10mm
Hub Thickness:4.5mm
Shaft 1.9/1.5 /1.9mm
Adaptor Rings: NO