Description:Brand: RJXHOBBYProduct: Main BladeMaterial: Carbon FiberLength: 12.8 Inch/325mmWidth: 32 mmRoot: 4.7mmShaft Hole Diameter: 3.0 mmWeight: Approx 45g (1 set)Application: 450C , 450S , 450SV , Innova 450 BD/SD, Innova 450QS, Align T-Rex 450, Gaui X3 or other 450-class helicopters.Features:– These 325 carbon fiber main blades are designed specifically for extreme 3D flying, featuring both high agility and excellent stability characteristics.– The strongest and lightest of all blades.– The airfoil design effectively minimizes turbulence at the blade tips, reducing blade noise and power loss.– The blades rigidity have been increased for better anti-torsion characteristics during flight.– The blades feature an redesigned airfoil design, coupled with updated painted graphics.Package Include:1 Pair 325mm Main Blades