The APC Thin Electric Pusher Prop in 7X5E configuration is designed for pusher-style electric RC aircraft, where the propeller faces rearward to push rather than pull the airframe. APC propellers are a widely trusted brand among RC pilots for consistent balance and performance. This listing includes the prop and an adapter hub assembly to fit various motor shaft sizes. Features: 7-inch diameter, 5-inch pitch Pusher configuration for rear-facing motor installations Includes multi-size adapter hub Designed for electric power systems 7/7/26 cs