The Gerwyn Price Thunder SE 90% from RED DRAGON is a 90% Tungsten barrel dart set and is the personalized dart set from the “ICEMAN” Gerwyn Price. The Gerwyn Price Thunder SE 90% darts have an innovative grip. Due to the separate grip, the arrow has a sleek and beautiful appearance. This personalized dart set comes in 2 weights; 23-25 grams. 23G = Barrel Length: 50.80mm, Barrel Width 6.45mm. 25G = Barrel Length: 50.80mm, Barrel Width 6.70mm.