SuperConductor Dome Ring in 8mm Width EtchedThis is the same ring as the SuperConductor in a 8mm width ring, but the copper has been eaten away from the surface with acid. This leaves the titanium niobium alloy filaments standing higher. The width might be considered thin to medium. The etch finish has more 3D texture than a polished finish, so will feel more bumpy on the skin. The filaments are polished out so are relatively smooth. They can have a different finish if you prefer. An Angled