BULL'S Niko Springer Darts - Soft Tip - 90% Tungsten - 22gBULL'S Niko Springer Darts Soft Tip 90% Tungsten 22g. The BULL'S Niko Springer Steel Darts were developed in close collaboration with German darts player Niko Springer, combining top level precision with a distinctive design. Made from high quality 90% tungsten, these darts are available in 22g and 24g weights. The barrel features Niko Springer's signature shape and offers a variety of radial grip zones distributed along its entire length. A standout