These plugs are faceted on both sides. They are made from borosilicate glass and the clarity on these is quite exceptional.
The below measurements are approximate:
8g through 0g have a 7/16" wearable area.
00g and 12mm have a 3/8" wearable area.
Overall length varies between 9/16" and 5/8" on all sizes
The flares on these are very large so be sure your lobes are 100% healed & very stretchy!
6g has 2g (6mm) flares.
4g has 1g (7mm) flares.
2g has 0g (8mm) flares.
0g has 00g (10mm) flares.
00g has 12mm flares.
12mm has 9/16" (14mm) flares.