Astm F136 Titanium
V-Shaped Triple Stacked Titanium ASTM F136 Septum Ring - Premium Quality 3 Hoop Septum Clicker 16G Triangle, Hinged Clicker Nose Conch Ear. (1.4k) $21.70. $28.93 (25% off) FREE shipping. ASTM F136 titanium bar piercing - 6mm stud. Hypoallergenic Gauge 16G 1.2mm shank thickness.