This item is hand carved from organic material and the gauge will vary +/- up to 0.5mm.
The below measurements are approximate:
6g has 3/8" wearable area.
0g and 00g have 7/16" wearable area.
7/16" through 3/4" have 1/2" wearable area.
7/8" through 1-1/8" have 9/16" wearable area.
1-1/4" and larger have 5/8" wearable area.