The Fast Blue 80% from MCKICKS are perfectly balanced in the middle of the barrel. Combined with the ring grip on the barrel, this makes this dart a good choice for all darts players, regardless of how you hold your darts. Together with the Lightning Slim Medium Blue Shafts and the Lightning Clear Blue Flights, the McKicks Fast Blue 80% darts are beautiful to look at. This set is available in 3 weights; 22-23-24 grams. 22G = Barrel Length: 46.00mm, Barrel Width 6.85mm. 23G = Barrel Length: 47.00mm, Barrel Width 7.44mm. 24G = Barrel Length: 48.00mm, Barrel Width 7.44mm.