The Chizzy 90% from HARROWS is a 90% Tungsten barrel dart set. This dart set features a 7-parallel barrel with full-length annular grooves plus 9 micro-grooves for more grip! Black titanium nitride coating. Equipped with a lasered Chizzy logo and vv Supergrip Carbon medium shafts and a 100 micron Chizzy Prime flight. This dart set comes in 6 weights; 21-22-23-24-25-26 grams. 21G = Barrel Length: 51.00mm, Barrel Width 6.30mm. 22G = Barrel Length: 51.00mm, Barrel Width 6.40mm. 23G = Barrel Length: 51.00mm, Barrel Width 6.50mm. 24G = Barrel Length: 51.00mm, Barrel Width 6.60mm. 25G = Barrel Length: 51.00mm, Barrel Width 6.70mm. 26G = Barrel Length: 51.00mm, Barrel Width 6.80mm.