450-Class RC Helicopter Combo A Upgrade Kit *Includes: 1x Metal Head, 1x Metal Tail, 2x 325mm Carbon Fiber Bladestar rating 5franJune 15, 2010great upgraade and looks great i'm a newbie so i put this on my EXI 450 V2 .the only thing is the FS that came with it where you get the replacement ,the only ones i have found is with the screws .