Viper Sidewinder 80% Tungsten Soft Tip Darts, 18 Grams 80 -Percent quick grip tungstenbarrel design Precision center balancedBarrels, CNC machined Narrow 1/4-Inch diameter make for tighter shot groupings For use on electronic or steel tip dartboards Set includes the following3 barrels, 6 flights, 6 nylon shafts, extra points and a dart tunning tool.