KnitPro Rainbow Row Counter Ring (Stitch Counter Ring) An easy to wear accessory that keeps track of your knitting pattern and also acts as a smart jewelry piece. These knitting counter rings are made from high quality stainless steel, coated using a special technology and are available in six popular sizes. Finger row counters are also useful for any counting task (Any Magic or DnD gamers out there?) - tracks numbers from 00 to 99. Features: Made from high quality Stainless Steel Mesmerizing Rainbow Color Coating Hypoallergenic No need to pick a second accessory - sits right at your finger to track your knitting pattern Ring Size Options 7 (17.3mm - Inner Diameter) 8 (18.2mm - Inner Diameter) 9 (19.0 mm - Inner Diameter) 10 (19.8mm - Inner Diameter) 11 (20.6mm - Inner Diameter) 12 (21.4mm - Inner Diameter) Directions: Ideally worn on either index finger or thumb Push the required number band towards the center for easy rotation