... Ice jig. TRU-tungsten's OEM supplier. Visit our website to know more. send email to ask full ... it is only 11g/cc, similar like lead, Now our real tungsten jig head, density as high as 18g ... 1/4, costs is similar as lead, But our customer said people will never buy steel jighead before ... to that time. With wire guard, collar, wacky jighead have been developped in our company, please contact us if ...