Bry I'm have some esky 315 for my belt cp cf and they work great and have esky cf on my hbk2,my blade 400 still has woodies and the trex 600 has cf too, cf blades are much better but I let a pro 3d pilot fly the b400 with the woodies and he was killin it loops rolls inverted tic tocs piro flips you name it he did it with the woodies, so it is up to the pilot just my .02.