HE1H002XXWT E1 Tin Main ShaftProduct: Package: Instruction: Content: Use for ALIGN E1. All new E1 TiN Main Shaft is produced by Physical Vapor Deposition (known as TiN, gold color). Main features will be well hardness coating protection, high density, low coefficient of abrasion, excellent adhesion, oxidation, and corrosion resistance improvement. Itll definitely make your heli to be in high quality and excellent durability at whole time. E1 TiN Main Shaft x 1(6x12x201. 5mm)