This is a 2nd generation two tone tungsten ring with 100% scratch proof lifetime warranty. This ring employs new manufacturing technique which makes even the black part of the ring scratch proof. It features two grooves next to the black center part. The whole ring is high polish finish and made it comfort fit design. It weighs approximately 15 grams and is 9mm in width. The black and silver contrast is formal and understated, a perfect style for men who does not like rings that are too flashy.