This is an APC 7x3.8 Slow Flyer Propeller. This prop is not for use with gas engines, it is intended for use with electric motors only.
Hub Diameter: 0.50 in.
Hub Thickness: 0.30 in.
Shaft Diameter: 1/4 in.
Product Weight: 0.25 oz.
This product was added to our catalog on July 17, 2009