GENUINE APC PROPELLERS - MADE IN THE USA
This is a 9x4.5E Thin Composite propeller from Advanced Precision Composites.
For use on electric powered aircraft only (not for gas engines).
FEATURES
Gray composite one-piece construction
Comes with five adapter rings that adapt to different motor shafts
Comes in a bag attached to a header card
SPECIFICATIONS
Diameter: 9"
Pitch: 4.5
Hub inner diameter: 0.25"