... rotor blades, tail blades, paddles for T-REX helicopter are available.The Main Rotor Blades Length:325MM Width:30MM, Hole:3-4MM, Grip less 8MM The Tail Rotor Blades ... Length:62MM Width:20MM, Hole:2-3MM, Grip less 4MM The Paddle The Tail Boom, Length:322mm ... ,the cutting is by water jet cutting machine. carbon fiber blades