Brand Name： GTB Origin： CN Tool Supplies： Cutting Material： Aluminum Upgrade Parts/Accessories： 550/600 Trex Rotor Head RC Parts & Accs： 550/600 Trex Rotor Head Use： 550/600 Trex Rotor Head Remote Control Peripherals/Devices： 550/600 Trex Rotor Head For Vehicle Type： 550/600 Trex Rotor Head Four-wheel Drive Attributes： 550/600 Trex Rotor Head Trex 550 600 DFC 4 Blades Rotor Head Kit for Align Trex 600 550 Helicopter Upgrade PartsMain Shaft Diameter:10mmFit thickness 12mm Blade(The shaft please install by customer other assembled)
