Grooved Design: The edges of these blank rings take a grooved design, can be applied to all of your inlay craft works, it is widely used for inlay wood, opal, pearl, meteorite, metals, gems, rhinestones, crystals, beads, and more, memorable and fashionable. Package Includes: You will recieve 14pcs 7 sizes grooved finger rings, the color is electrophoresis black. This solid grooved ring inner diameter is 16/17/18/19/20/21/22mm. Packaged in a fancy rectangle velvet pouch for convenience. High-Quality Materials: These unisex wedding rings are made of titanium steel, sturdy, durable, and highly polished,it not easy to wont rust or wear,. Both sides of the rings are smooth and lightweight, you will feel free and comfortably on any finger. Convenient to Use: These grooved blank rings are very convenient to use, you may use with gems, crushed opal, meteorite, crystal, wood and other inlay materials to DIY a unique finger ring. DIY Crafts: Special black color ring grooved designcan be inlaid with rhinestones, chains, broken opal for DIY process design. Durable, chic, fashion rings for women gift.