This is the APC Props 10x7 Airplane Propeller.
Includes: One Carbon-Reinforced Nylon Pusher Propeller
Requires: All propellers require balancing, use TOPQ5700. You may also need a prop reamer, use GPMQ5005 (SAE) or FOXQ1520 (Metric)
Note: The C2 stands for the production run in which the prop was made. Pusher propellers are designed for airplanes that have the engine facing backwards in the rear of the plane, PUSHING the airplane forward.
Thickness at hub: .5"
Hole diameter: .25"