Solid titanium clamshell inlay ring blank with comfort fit radiused interior profile for everyday wear comfort. Widths 4mm, 6mm and 8mm available. Custom made 1.5mm deep center channel groove is perfect for adding your own inlay material like crushed opal. Very low profile ~2mm thickness most comfortable for wearing all day. Premium-grade titanium is extremely lightweight and durable. US standard whole and half size ring blanks to create beautiful, handcrafted rings.