These carbon fiber-reinforced props are light, sharp, and don't need balancing or sharpening! Looking at the transom, these props spin counterclockwise. These are screw-on style to fit 4mm threaded shafts.
Specifications:
Pitch ratio: 1.4
Blades: 3
Material: Carbon-fiber-reinforced plastic
Mounting: M4 threaded shaft
Rotation: Counterclockwise when viewed from behind the boat. See picture 1 to view the prop's rotation.