The Nathan Aspinall 90% from TARGET is a dart set with 90% Tungsten barrels and is the ultimate dart set of the 'The ASP' Nathan Aspinall. The detailed radial grooves run 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: 50.00mm, Barrel Width 7.15mm. 24G = Barrel Length: 51.00mm, Barrel Width 7.35mm. 26G = Barrel Length: 52.00mm, Barrel Width 7.55mm.