The Daryl Gurney 90% from WINMAU is a dart set with barrels made of 90% Tungsten and is the ultimate dart set from the famous dart player Daryl Gurney. These arrows have a good grip. Furthermore, the arrow is beautifully finished with a gold color. This personalized dart set from Daryl Gurney comes in 2 weights; 23-25 grams. 23G = Barrel Length: 54.60mm, Barrel Width 6.20mm. 25G = Barrel Length: 54.60mm, Barrel Width 6.60mm.