Mission Spiro Steel Tip Tungsten Darts – 90% Tungsten. Features: 90% Tungsten Barrels, Graphite PVD Coating – 1 Set of Mission Flights, 1 Set of Mission Shafts with S-Lock rings, Point Protector. Mission Spiro Darts – Steel Tip – Graphite PVD – M2 – Black – 20g-D1506Mission Spiro Steel Tip Tungsten Darts – 90% Tungsten. Features: 90% Tungsten Barrels, Graphite PVD Coating – 1 Set of Mission Flights, 1 Set of Mission Shafts with S-Lock rings, Point Protector. Mission Spiro Darts – Steel Tip – Graphite PVD – M2 – Black – 22g-D1507Mission Spiro Steel Tip Tungsten Darts – 90% Tungsten. Features: 90% Tungsten Barrels, Graphite PVD Coating – 1 Set of Mission Flights, 1 Set of Mission Shafts with S-Lock rings, Point Protector. Mission Spiro Darts – Steel Tip – Graphite PVD – M2 – Black – 24g-D1508