This listing contains a 6g (4mm) abalone shell septum tusk Please note that this will not fit in a standard sized septum piercing, which is 16g-14g (1.2mm-1.6mm). Do not use this jewelry to stretch your piercings. BodyArtForms, body art forms, body jewelry, septum jewelry, gauge, gauges, unique, goth, punk, alt, alternative, scene, hardcore, organic