... your market, you can only see tungsten polyer made jighead, it is only 11g/cc, similar like lead, Now our real ... fishing, now we are able do steel jig head, it has lower density, but if you use heavier jig head ... ball, it can reach same sinking speed, for example, 1/2 ... OZ to 1/4, costs is similar as lead, But our customer said people will never ...