Men’s Offset Channel Black Zirconium RingDESCRIPTION An all black, simple and handsome design. This wedding ring features straight sides, and a narrow channel offset about one third of the rings 8mm width. Brushed black outer for scratch resistance, and polished inner for comfort and easy wear. Black Zirconium is pretty amazing. It starts off as a silver grey metal, then its heat treated and oxidised until it turns black. This means the black finish is a chemical reaction, rather than a