Microheli CNC Lower Main Blade Grips, Blue: Blade CX2, CX3 These are the Micro Heli CNC Lower Main Blade Grips for the Blade CX2 and CX3 Helicopters.Features:Blue and silver/grey coloredMade of Aluminum and DelrinCNC machined for increased durabilityPrecision CNC brass balls for long lasting performanceStrong aircraft aluminum material for better stabilityDirect replacement of the flexing stock blade gripsRedesign so that the blades can be foldable to reduce chance of broken