Tungsten alloy sphere provide a safer alternative to lead, because of its non-toxic and environmentally friendly, it can bring no harm to our body, another important point is that its higher density enables it to hold its shape better, even under extreme conditions. So tungsten alloy military sphere is very welcomed, especially to be used in military defense, such as: depleted uranium kinetic energy penetrators, bullet, armor piercing, armor piercing bullets, sniper rifle penetrator, etc.