The Firestorm 90% from WINMAU is a dart set with barrels of 90% Tungsten and is the ultimate dart set with a correct price-quality ratio. The darts are provided with a firm grip and have a green, yellow, blue with black coating. This dart set comes in 4 weights; 22-24-26-28 grams. 22G = Barrel Length: 50.80mm, Barrel Width 6.35mm. 24G = Barrel Length: 50.80mm, Barrel Width 6.70mm. 26G = Barrel Length: 50.80mm, Barrel Width 7.00mm. 28G = Barrel Length: 50.80mm, Barrel Width 7.15mm.