Great As An Everyday Wearable Ring That s Perfect For Men Women! Our Tungsten Carbide Rings Are Cobalt Free. Weight: 14.8 grams 2 Metal: Tungsten Carbide, Cobalt Free 3 Measurement: 2.5mm Asher s Cut Out Silver Tungsten Ring features a unique cut out design and sleekness. The polished tungsten carbide ring offers hardness and resistance to scratching. The ring features a band width that measures 2.5 mm. This ring is unisex and great to get engraved to add a memorable and personal touch.