Thunder Power RC 325mm Carbon Fibre Rotor Blade Set with Shims for 400-450 Size Helicopters
Thunder Power RC Carbon Fiber rotor blades measure a true 325mm length.  Offering increased rotor disk area for reduced disk loading, plus extra power and "pop" for aggressive 3D maneuvers.  These blade fit the Align T-REX 450 and most other 450-class helicopters, and include shims for use and easy installation on E-flite Blade 400 helicopters.