Black Ice – Serinium® Black Carbon Fiber Inlay RingPrecision. Power. Modern edge. The Black Ice is a bold union of high tech material and contemporary design. Part of our Craftsman Collection, this 8mm mens ring combines the strength of Serinium with a 4mm inlay of sleek black carbon fiber, delivering a look thats equal parts performance driven and visually arresting. The rings flat beveled profile enhances its modern geometry, while the high polish finish gives it a clean, refined shine. At the