The MvG Aspire 80% from WINMAU is a dart set with barrels of 80% Tungsten and is a personalized dart set by the Dutch Prof Michael van Gerwen. The MvG Aspire 80% are straight silver darts with black and green accents only have vertical grooves that provide a quiet grip. This dart set is also available in a soft tip variant. This personalized dart set comes in 6 weights; 21-22-23-24-25-26 grams. 21G = Barrel Length: 50.80mm, Barrel Width 6.35mm. 22G = Barrel Length: 50.80mm, Barrel Width 6.60mm. 23G = Barrel Length: 50.80mm, Barrel Width 6.60mm. 24G = Barrel Length: 50.80mm, Barrel Width 6.60mm. 25G = Barrel Length: 50.80mm, Barrel Width 6.80mm. 26G = Barrel Length: 50.80mm, Barrel Width 7.10mm.