BRUNSWICK Tungsten Wedding Ring with Polished Bevels and American Cherry Wood Inlay - 6mm - 10mm Made with durable Tungsten Carbide, this beautiful and distinctive ring by Thorsten features an inlay of real American Black Cherry Wood. Engraving available! See Pictures for Details. Does Not Delay Order. Includes Thorsten Lifetime and Lifetime Sizing Warranty (excluding re-engraving). Available in 6mm, 8mm, and 10mm widths for couples who want a matching set. Tungsten Carbide—the newest and strongest metal for jewelry that does not scratch easily. Note that the wooden inlay is protected by a resin that can be scratched. Comfort Fit – domed interior band slides over the knuckle easier with less friction.