Pyro G10 95% Tungsten SP Steel Tip Darts by Target Japan10th generation of Mitsumasa Hoshino's PYRO model has finally arrived. The outline, which combines a torpedo and straight barrel, has been further perfected. The grip area, which combines the familiar delta cut and polygonal surface, has also been readjusted. The balance and specifications have been constructed using Hoshino's unique method. This is the culmination of the series, which is now in its 10th year.