Datadart Marvin Koch Darts – Steel Tip – 26g. The Marvin Koch 90% tungsten dart is a top dart for all players. Its straight barrel design gives better accuracy and grip, with a modern grey and blue PVD coating. Players can rely on this dart’s durability and weight distribution to enhance their playing experience. The dart is suitable for casual and professional players and is sure to impress. Pack contains 90% tungsten barrels, Marvin Koch flights and stems.Datadart Marvin Koch Darts – Steel Tip – 24g. The Marvin Koch 90% tungsten dart is a top dart for all players. Its straight barrel design gives better accuracy and grip, with a modern grey and blue PVD coating. Players can rely on this dart’s durability and weight distribution to enhance their playing experience. The dart is suitable for casual and professional players and is sure to impress. Pack contains 90% tungsten barrels, Marvin Koch flights and stems.Datadart Marvin Koch Darts – Steel Tip – 22g. The Marvin Koch 90% tungsten dart is a top dart for all players. Its straight barrel design gives better accuracy and grip, with a modern grey and blue PVD coating. Players can rely on this dart’s durability and weight distribution to enhance their playing experience. The dart is suitable for casual and professional players and is sure to impress. Pack contains 90% tungsten barrels, Marvin Koch flights and stems.