Numeroastro Copper/Tamba Adjustable Ring / Challa For Good Luck-Copper ring when worn in ring finger stabilizes the body and provides the fundamental support for sadhana or spiritual practices. People who are deficient in copper may benefit from wearing copper Ring, since it can be absorbed through the skin. Copper Ring is a good way of taking in the small amount of the mineral needed.Copper. Finger ring (Challa). Open end, so that it fits in any finger. Usually worn with other rings, or even as stand alone. Simple and sober, 100% pure, unpolished, untreated, unmixed 100% copper. An excellent wear for dailyuse, officewear, college, and casual parties. Pair these, with all Indian and western dresses. A unique thing, in your jewellery collection.