One80 Jetstream Spitfire Tungsten Steel Tip Darts. Features: 90% Tungsten Barrels, Blue Titanium Nitride Coating, Hand Made Barrels, VHD (Very High Density) Tungsten, Extra Compact, Matched Weighted, Set of One80 Shafts, Set of One80 Flights.One80 Jetstream Spitfire Tungsten Steel Tip Darts. Features: 90% Tungsten Barrels, Blue Titanium Nitride Coating, Hand Made Barrels, VHD (Very High Density) Tungsten, Extra Compact, Matched Weighted, Set of One80 Shafts, Set of One80 Flights.One80 Jetstream Spitfire Tungsten Steel Tip Darts. Features: 90% Tungsten Barrels, Blue Titanium Nitride Coating, Hand Made Barrels, VHD (Very High Density) Tungsten, Extra Compact, Matched Weighted, Set of One80 Shafts, Set of One80 Flights.