This is the 11x8 Propeller for the Flyzone Acro-Wot MkII Sport Airplane. FEATURES: Plastic construction, black in color INCLUDES: 11x8 Propeller for the Flyzone Acro-Wot MkII SPECS: Length: 11" Pitch: 8" Hole Diameter: 0.236" (6mm) COMMENTS: For electric use only. Do not use with glow or gasoline powered models. jxs 10/25/12 ir/jxs