These thin, plain bands are designed to be worn above the knuckle. A case includes four in size 2, 3 in size 3, and 3 in size 4. Bands are 1mm thick 14K gold fill; a case will include hammered and non-hammered bands for variety. Details: Recycled metal, milled in the United States. All items are fabricated by hand at our studio in southern California; small variations as well as possible visible solder seams are to be expected and are part of the handmade aesthetic. Lead-free and nickel-free.