Abundant Quantity: You will receive 8pcs adjustable oval blank ring bases in 2 colors, adequate for you to use and replace in daily life, providing you with more DIY handcraft projects choices.Adjustable Size: Each of the ring bezel blank is about 17.2mm inner diameter, 5mm wide, tray: 21x21mm, you can easily adjust the size to fit your need, and the adjustable design allows you to wear it more comfortably.Ring Bezel: The finger ring base blank can be used with buttons, beads, cabochon dome or anything else to meet your DIY ring needs. Great DIY accessories for home jewellery making and hobbies.High Material: The adjustable cabochon ring settings are made of high quality stainless steel, durable and rust proof, not easy to fade, wear or deform, able to serve you for a long time.Versatile For: They are perfect for DIY crafting projects, you can stick cameo, stamp, engrave, letters,logos, graphics, decorative paper under glass cabochon to make unique finger rings.