Magnetic, adjustable ring - smooth adjustment...
Copper Ring #CR053 Size 9
6mm COPPER RING - Architectural Ring - Copper Ring - Wide Ring Band - Textured Band - Wedding Band - For Man, Woman & Child! on Etsy, $44.33 CAD
Men's Leather and Copper Bracelet Men's by ColeTaylorDesigns, $35.00
Men's copper bracelet with magnets.
Put a copper ring on it..
Green Moss Agate - perfect fit - ring and bracelet
Ladies Link Solid Copper Bracelet 1/8 of an inch wide