Store › Custom Wooden Ring (Plain) Image 1 of 3 Image 2 of 3 Image 3 of 3 Custom Wooden Ring (Plain) $40.00 All rings have a copper core that will be beveled, polished, and coated to prevent corrosion and staining of the skin. Quantity: Add To Cart Added! All rings have a copper core that will be beveled, polished, and coated to prevent corrosion and staining of the skin.