The Bulls Dirk van Duijvenbode is a 90% tungsten dart set and is based on the Bulls Phantom Grip 80%. The van Duijvenbode 90% is a silver phantom gripped dart set with grip all over the barrel. The dart set is available in 23-24 gram. Dirks Darts are being manufactured in New Zealand, famous for its high quality darts. The dart set comes with the Bulls Powerflite Dirk van Duijvenbode, the Black Bulls Nylon Medium Shaft and the Bulls Steel Dart Points Black 35mm. Each official Bulls Dirk van Duijvenbode 90% dart has both the Bulls and the Dirks hand sign laser engraved in the barrels.