The Gerwyn Price Iceman Contour 90% from RED DRAGON is a 90% Tungsten barrel dart set and is the ultimate dart set from the “ICEMAN” Gerwyn Price. 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; 21-23-25 grams. 21G = Barrel Length: 50.80mm, Barrel Width 6.60mm. 23G = Barrel Length: 50.80mm, Barrel Width 6.80mm. 25G = Barrel Length: 50.80mm, Barrel Width 7.00mm.