Size - 14g bar stem with 16g middle hole

Gauge of flatback available in 14g

20mm (13/16'')

6mm opal size to choose from and 18g

Opalite Moonstone Nipple Jewelry internally threaded Bar Length:10mm Size - 14g bar stemInternally Threaded Titanium Nipple jewelry super comfy and light weight Super pretty Opalite lab grown moon stones Moonstone size 5mm Material ASTM F136, OPALITE MOONSTONE Metal color please see list Size 14g or 12g available 16g 12mm (1 2'') 14mm (9 16''), 16mm (5 8'') 14g 10mm (3 8''), 12mm (1 2''), 14mm (9 16''), 16mm (5 8''), 18mm (3 4''), 20mm (13 16''), 22mm (7 8'' ) ,25mm (1 inch) Sold in singles please select 2 for a pair Average size is 14mm