Viper Sinister 95% Tungsten Steel Tip Darts Designed with high quality 95/5 tungsten slim barrels which allows for tighter shot groupings A smooth, sleek barrel creates excellent gripping points that enhance your control Features aluminum shafts with a locking hole to increase tightness and improve stability Flights are specifically designed to help increase speed and reduce drag, delivering a consistent flight path and pinpoint accuracy Includes an additional 3 convex nylon shafts, a dart mechanic tool and 6 heavy duty 150 micron thick high speed flights