7x4E Thin Electric Propeller - Black from APC - LPB07040E
APC propellers are high quality, competition proven propellers without the high quality price tag. Perfect for various prop-driven RC aircraft.

Includes:

One black composite propeller
Two composite adapter rings that adapt to different motor shafts


Optional:

All propellers should be balanced before use. We recommend using the BenchCraft Precision Propeller Balancer