4mm Magnetic Hematite Flat Ring. They are beautiful and also helps in Pain relief. Unisex.  Hematite rings are fairly fragile.  If you are wearing one for healing purposes, you probably already know that even though it can easily crack or shatter, it does not always do so.

*Note: Women who are pregnant, or people with mechanical valves, pacemakers, insulin pumps or anything in their body that is run on a battery CANNOT wear magnetic jewelry.