These Bottelsen Devastator Hammer Head steel tip darts have 95% tungsten barrels with 9/32" diameter, and a coarse knurled grip. Tungsten is used in dart production because of its high weight in volume. The higher the percentage of tungsten used to make a dart, the slimmer and sleeker the dart. The devastators line is made from 95% virgin tungsten which allows for an extremely slim and short barrel for its weight. You will devastate your competition! Darts come complete with 2ba shafts, flights, Hammer Head moveable steel tips <i>(Points are moveable point-Hammerhead mechanism)</i>, Hammer Head dart wrench, and dart case (Case may vary with stock availability).