Pin Striped Copper and Sharp - This lovely ring has two magnets imbedded within the two ends and is a fashionable way to wear a magnetic and copper product. Two powerful 1500 gauss magnets are unipole and permanent - so they will not lose their magnetic strength over time wear 24/7. One size fits most, as the rings are easily adjustable @factory direct pricing straight to you from AceMagnetics.com Most people buy a set of two(FYI)