The Core Tungsten 70% from UNICORN is a dart set with barrels of 70% Tungsten and is the ultimate dart set in a beautiful affordable series from Unicorn. This Unicorn 70% Tungsten dart set is also available in a Softtip Version. This UNICORN dart set comes in 4 weights; 21-23-25-27 grams. 21G = Barrel Length: 50.80mm, Barrel Width 6.35mm. 23G = Barrel Length: 51.05mm, Barrel Width 6.91mm. 25G = Barrel Length: 51.31mm, Barrel Width 7.16mm. 27G = Barrel Length: 50.80mm, Barrel Width 7.14mm.