The MvG Vantage 90% from WINMAU is a dart set with 90% Tungsten barrels and is a personalized dart set by the Dutch Prof Michael van Gerwen. The MvG Vantage 90% are straight black titanium darts with light green accents and have vertical coarse grooves which provide a strong grip. This personalized dart set comes in 3 weights; 22-23-24 grams. 22G = Barrel Length: 50.80mm, Barrel Width 6.30mm. 23G = Barrel Length: 50.80mm, Barrel Width 6.45mm. 24G = Barrel Length: 51.00mm, Barrel Width 6.60mm.