Hevi-xii is 53.8% more dense than steel, which translates to double the downrange energy.This allows you to drop down 3 shot sizes for the same lethality.It also gives you 28% more devastating pellets on target.More kills.Fewer cripples.Better stories.Pack in with hevi-xii and walk out carrying extra weight.Shot Material: TungstenGauge: 20 GaugeLength: 3"Ounces: 1 1/4 ozShot Size: 4Rounds Per Box: 25Boxes Per Case: 10Application: HuntingHazair: Yes