Men's Tungsten Carbide Ring with Black Brushed Thin Blue Groove Step Edges 8mm– The Artisan Rings
RASORET Tungsten Carbide Ring in Comfort Fit and Satin Finish
Tungsten Wedding Band with Black Carbon Fiber Inlay – 8mm Beveled Edge Comfort Fit Tungsten Carbide Ring – Mens Anniversary Band TN610PL – Jewelry Avalanche
Buffalo - Domed Brushed Black Tungsten Carbide Ring (6mm - 8mm)
Carbon Core Blue (Tungsten) | Men's Carbon Fiber Wedding Ring – Northern Royal, LLC