Zebrawood wood ring liner core 8mm wide with inside comfort fit radiused interior profile for comfort. Wood liners simplify your ring making projects with ready to insert for any ring design you can imagine. Custom made ~1mm thin inside ring core is perfect for adding your own outside materials like crushed opal, metal, stone, wood, etc. US standard half and whole size ring core liners to create beautiful, handcrafted rings. To be used only as a ring liner and not a completed ring. Great for personal use, selling or giving as unique gift.