These darts are an evolution of the Phase 5 and were used by Phil Taylor in major TV events in 2011. The Phase 6 are made of unique 97% tungsten quality, with a guaranteed weight tolerance of +/- 0.1g. The barrels are available in 18g. The barrels have an engraving with the Unicorn logo and the designation 'Phase 6'. Delivery "Barrels only" in the Purist Wallet.