Non-Airworthy for Display Only Polished Hartzell Propeller Blade 8433A-4 P/N S82NC-2 (23211). This is NOT a reproduction, at one time this blade was on an actual aircraft. It does have some scratches, signs of wear and some dings and pitting. The front of the blade has been polished to a mirror like finish and the back has been painted flat black. This blade measures 36" long/tall and its base measures around 4" in diameter and will stand on its own on that base. FOR DECORATION or DISPLAY ONLY. NON-AIRWORTHY.