It's sold for $175 on the Kinekt Design website. The "KINEKT GEAR RING" is a gear-shaped ring conceived by Glen Liberman, a creator at the New York-based design studio "Kinekt Design." It has multiple gears in the center, allowing the top and bottom parts of the ring to be rotated in opposite directions. While it doesn't have any particularly unique functions and has a simple design, it's an item that appeals to men. Reference sites: https://kinektdesign.com https://m.youtube.com/watch?v=NI2N6fsPjjg Material: Stainless steel Accessories: None Scratches/Discoloration: None Color: Silver Stone/Type: None