This is a 5.5x4.5E thin composite propeller from Advanced Precision Composites. For use on Electric powered aircraft only (not for glow engines).
FEATURES: Gray composite propeller blades that assemble onto a propeller hub. Comes with two adapter rings that adapt to different motor shafts. Comes in a bag attached to a header card
INCLUDES: One composite propeller Two composite adapter rings One instruction sheet
REQUIRES: ALL props require balancing
SPECS: Diameter: 5.5" Pitch: 4.5 Hub inner diameter: 0.25"
COMMENTS: Use Speed 400 electric motors.