Elkadart Black Mamba 80% Tungsten Soft Tip Darts Thin Barrel (18gm)The serpent is coiled and ready to strike with lightning quickness when you bring the Elkadart Black Mamba Soft Tip Darts, designed for use with either electronic dart boards or most sisal dart boards. These darts are packed with features starting with the barrel, fashioned from 80% Tungsten and 20% Nickel. Tungsten is a very dense metal, able to create slimmer darts with the same weight as lighter metals; this allows for tighter shot groupings