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 – M1 – Black – 21g-D1501Mission 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 – M1 – Black – 23g-D1502Mission 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 – M1 – Black – 25g-D1503