Winmau premium tungsten 21g darts set with steel tips Prism Alpha standard shape extra thick flights Prism Force medium shafts Dimensions: 6.4mm x 50.8mm Winmau’s excellence in darts is proven through unrivalled innovation. Winmau is the largest manufacturer of premium bristle dartboards and military grade tungsten darts. Hand-crafted quality, distinctive design and superb performance. Latest generation of expertly-functional design delivers a precision-engineered range with a stunning modern style and perfect grip, balance and feel designed for the advanced player.