Apc Prop 4.5X4.1 Electric

GENUINE APC PROPELLERS - MADE IN THE USA

This is a 4.5x4.1 thin composite propeller from Advanced Precision Composites.
For use on Electric powered aircraft only (not for glow engines).
SPECIFICATIONS
Diameter: 4.5"
Pitch: 4.1
Hub inner diameter: 0.25"