This is a 12x3.8 Slo-Flyer tractor (not a pusher) airplane propeller. This prop produces a lot of torque even at low speeds.
Includes: Carbon-reinforced nylon propeller, a set of small shaft locating rings and locating ring instruction sheet
Requires: Props require balancing and may need prop reamer
Note: Slo-Flyer props are not designed for glow or gas engines.