NX90 90% Tungsten Soft Tip Darts by HarrowsNX90 is a stunning natural tungsten barrel developed for serious dart players. A combination of ringed, micro and scalloped cuts give this dart a unique feel, offering all players a grip sequence to suit their throw. High quality 90% tungsten. Three distinctive grip styles. Front loaded, tapered rear. NX90 darts are supplied with Black Supergrip midi shafts, new 100 micron NX90 flights and are match weighed to + 0. 05g.