Cosmo Darts – Discovery Label – Steel Tip – Jose Justicia Perales v2 – 20.5g. These Jose steel tip darts feature 90% tungsten barrels, and are a torpedo shaped barrel with a ringed grip along the front section of the barrel and a stepped rear milled section. This dart comes complete with a black titanium fill within the grooves. Includes Cosmo Flights and Shafts.