Material: 316L Surgical Steel Gauge: 1.2mm/1.6mm Bar Length: 10mm/12mm/14mm/16mm/18mm Suitable for the Tongue/Nipple Bar Bar Length: 30mm/32mm/34mm/36mm/38mm/40mm/45mm/50mm Suitable for the Ear Scaffold Bar (Industrial) End Balls: 5mm/5mm and 6/6mm