Product details:

Personalized His & Hers Tungsten Carbide Brushed Center Rings This matching couple ring come in matching black Tungsten carbide material with a brush polish finish for a matte look. Save yourself the effort of looking for identical bands separately and choose these his and hers rings with their simple clean lines and bold, black polished look. Perfect as a promise ring for you and your loved one. Free engraving inside on both rings up to 30 characaters Product Info:Width Hers 6mm - Width His 8mm - Material: Tungsten Carbide - Comes in Gift box - Facts About Tungsten Carbide Rings:All Our rings are highest quality and engraved "TUNGSTEN CARBIDE" for authenticity. Tungsten Rings are the most wear-resistant rings available on the planet. - Tungsten is about 10 times harder than 18K Gold and 4 times harder than titanium. -Tungsten measures between 8 and 9 on the Mohs hardness scale. (Diamonds are a 10 - the highest.) Due to their extreme hardness, -Tungsten Rings will hold their shape and shine longer than any ring on the market. - Tungsten rings have been referred to as "Permanently Polished Rings."