These darts mark the modern era of Phil Taylor starting in 2008 with a revolutionary change in setup. The Phase 5 is shorter, heavier, and wider than its predecessors. Made from unique 95% tungsten quality, the weight has a guaranteed tolerance of +/- 0.1 g. The barrels are available in 18 g. The barrels feature an engraving with the Unicorn logo and the designation Phase 5. Delivery includes barrels only in the Purist Wallet.