Fat Cat Predator 80% Tungsten Steel Tip Darts 23 GramsBegin the hunt for the most dangerous game and claim your victory when you come to shoot with the Fat Cat Predator Steel Tip Darts designed for use with 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 without sacrificing control,