We gouge our cane on a Reeds n' Stuff 11mm bed circular blade gouger. Our gouged oboe cane varies in diameter between 10-11mm, but if you have a specific preference, you may select from the diameter option. Each piece has a center measurement thickness between 0.57 - 0.61mm and an edge measurement between 0.42 - 0.45mm. We use Loree cane