These darts were used by Phil Taylor in 2011 at TV events and were part of an 18 year collaboration with 'The Power' and Unicorn. Made of 90% tungsten quality, the weight is guaranteed with a tolerance of +/- 0.1g. The barrels are available in 25g. The barrels have an engraving with the Unicorn logo and the designation of the darts "Phase 3". Delivery "Barrels only" in the Purist Wallet.