The Jonny Clayton 2.0 90% from RED DRAGON is a dart set with barrels made of 90% Tungsten and is the ultimate dart set from the famous darts player Jonny Clayton. The detailed radial grooves run along the length of the straight barrel. In short, a beautiful set with excellent quality. This personalized dart set comes in 3 weights; 22-24-26 grams. 22G = Barrel Length: 50.80mm, Barrel Width 6.60mm. 24G = Barrel Length: 50.80mm, Barrel Width 6.90mm. 26G = Barrel Length: 50.80mm, Barrel Width 7.35mm.