The Oracle 90% from HARROWS is a 90% Tungsten barrel dart set. This dart has unparalleled control through the Cutterhead grip. A mid-balanced slim barrel provides better grouping and fewer bounce-outs. This dart set comes in 4 weights; 22-23-24-26 grams. 22G = Barrel Length: 50.00mm, Barrel Width 6.70mm. 23G = Barrel Length: 50.00mm, Barrel Width 6.80mm. 24G = Barrel Length: 50.00mm, Barrel Width 6.90mm. 26G = Barrel Length: 50.00mm, Barrel Width 7.20mm.