MNH Tungsten Rings for Men Carbide Black Plated Women Wedding Engagement Band Comfort Fit Matte Finish Upgraded version of the high-hardness cemented carbide structure, excellent scratch resistance, longer use time. A finely finished matte surface, a high-quality smooth inner surface, give you unparalleled comfort Elegant 4mm width, perfect wearing width Durable, nice weight, benefiting from cemented carbide construction Provide with Life-time Guarantee