500DFC Main Rotor Head Assembly Fits Align Trex 500 RC Helicopter Parts (Black) : Toys & Games - Amazon.com
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Amazon.com: RC Helicopter MD500E 450 Pre-Painted fuselage for 450 Size Helicopters.Suitable for Almost All 450 Size(325mm Rotor Blade) Helicopters, Such as: Align T-REX450X/XL/SE/SE V2 : Toys & Games