Ear Screw Tunnel Stainless Steel Sizes (Diameter): 14 Gauge (1.6mm), 12 Gauge (2 mm), 10 Gauge (2.5mm), 8 Gauge (3mm), 6 Gauge (4mm), 4 Gauge (5mm), 2 Gauge (6mm), 0 Gauge (8mm), 00 Gauge (10mm), 9mm, 12mm, 13mm, 15mm, 20mm, 23mm, 26mm
