Specifications:100% Original Walkera brand.100% Brand New.Suit for: Walkera V450D03 V450D01 450 HelicopterHigh quality and durable in use.Easy to install.Package size: 30 * 10 * 2 cm / 12 * 4 * 0.8 inPackage weight: 53 g / 1.9 ozPackage list:1 * Original Walkera V450D03 V450D01 450 Helicopter Part Carbon FiberCarbon FiberMain Rotor Blade HM-V450D03-Z-01