MASERATI Black Tungsten Ring with Polished Domed Beveled Edges - 4mm - 10mmA one-of-a-kind design, the Black Tungsten ring by Thorsten features a reflective black domed center that’s accentuated by contrasting white tungsten beveled edges, which give the ring a sporty and contemporary look. Engraving available! See Pictures for Details. Does Not Delay Order. Includes Thorsten Lifetime and Lifetime Sizing Warranty (excluding re-engraving). Available in 4mm, 6mm, 8mm and 10mm widths for couples who want a matching set. Please note, Black Tungsten Carbide rings are scratch-resistant and very durable but can be scratched. Comfort Fit – domed interior band slides over the knuckle easier with less friction.