rune refinery metallic: as seen on kickstarter glow in the dark carbon fiber ring for men & women, wedding bands, engagement band, silicone ring alternative, red, 1/4 wide, size 10 rune refinery we hand craft carbon fiber rings. carbon fiber is super strong and extremely light weight. we design and use designer carbon fiber in all our rings and incorporate precious metals, titanium, lume and other materials into our creations. we believe that the ring you select is an extension of who you are as a person. we make unique jewelry because you are unique, and your ring should be too. we make rings with space aged materials. super cars are made out of it, why not your rings? we hand make all of our designs in our shop in gilbert, arizona.