Perryman Titanium Internal Threaded Labret Stem
Gauge: 1.2mm (0.9mm thread)
Sizes: 4mm / 5mm / 6mm / 7mm / 9mm / 10mm / 12mm
Base Size: 4mm
Medical Grade Titanium 6Al-4VEli ASTM:F-136
Perryman Titanium Internal Threaded Labret Stem
Gauge: 1.2mm (0.9mm thread)
Sizes: 4mm / 5mm / 6mm / 7mm / 9mm / 10mm / 12mm
Base Size: 4mm
Medical Grade Titanium 6Al-4VEli ASTM:F-136
The gauge size is the circumference of the smaller bar in the middle.