JMT 3 Pairs 325mm Glass Fiber Main Rotor Blades Propeller for Align Trex 450 Rc Helicopter Glass Fiber 325mm Main Rotor Blade For: Align T-REX 450 XL/CF/SE/V2/S/Pro/Sport, Compatible T-rex 450 Main Rotor Blade for Align, CopterX other kinds of 450 size Quantity:3Pairs(6pcs)