Datadart Obsidian Darts – Steel Tip – 90% – Straight – Black PVD. All Obsidian 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.Datadart Obsidian Darts – Steel Tip – 90% – Straight – Black PVD. All Obsidian 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.Datadart Obsidian Darts – Steel Tip – 90% – Straight – Black PVD. All Obsidian 90% Tungsten darts are individually packaged and include a set of durable stems and a set of Datadart flights.