This is the Spinner Hub for the Top Flite Giant P-47 ARF (TOPA0703). / / FEATURES: Aluminum construction / Silver in color / / INCLUDES: One Spinner Hub, key #20 / One 5x50mm Bolt / / REQUIRES: Installation on airplane / / SPECS: Length: 58mm (2.3") / Diameter: 48mm (1.9") / / cnh 7/27/09 / ir/jxs