TASOS | Tungsten Ring Gray & Yellow NotchedTungsten Two Tone Yellow Inside and Outside Gray & Yellow Notched Ring 8MM This Ring is made of high Grade tungsten carbide which provides excellent durability. Two Tone Tungsten Wedding Ring with Yellow Inside and Outside Gray & Yellow Notched Ring. Ring Measures 8mm in width for Men. Tungsten carbide rings are extremely durable and won't scratch or fade. This Ring is made of high grade tungsten carbide which provides excellent durability. It is