Sight Right 2 Training Aid Winmau patented training device for practicing an optimum casting at hand. A decisive target and training aid for any aspiring darts league player their hit on the results enhance like and easy to avoid errors. The 10 marked lines on the sigh right helps the exact position for throwing, with the perfect trajectory across the globe. Includes detailed training instructions (cannot guarantee instructions are in English). Dimensions: Height 3 cm, width 30 cm, depth 26.5 cm