The Dirk van Duijvenbode 90% from BULLS is a dart set with 90% Tungsten barrels and a model based on the Bull's Phantom Grip 80%. The van Duijvenbode 90% is a phantom grip straight dart with coarser rings that run over the entire barrel. This dart set comes in 2 weights; 23-24 grams. The Dirk van Duijvenbode Darts are made in New Zealand, where high-quality darts come from. The dart set comes standard with the Bull's Powerflite Dirk van Duijvenbode, the black Bull's Nylon Medium Shaft and the Bull's Steel Dart Points Black 35mm. Each official Bull's Dirk van Duijvenbode 90% tungsten Dart has the "Bull's Logo" and "Dirk's signature" laser engraving. The Dirk van Duijvenbode 90% is also available in soft tip. 23G = Barrel Length: 50.50mm, Barrel Width 6.73mm. 24G = Barrel Length: 50.60mm, Barrel Width: 6.84mm.