metal D ring 1)Orther products: D rings,O rings,square ring 2)Material: Copper or Iron 3)Thickness of material:3MM We are a factory manufacture all kinds of bag accessories, there are buttons ( snap button, sewing button, eyelet, rivet); buckles (belt buckle, shoes buckle and bags buckle), decorative chains, Eyelet, Nails and so on. Also we can produce as customer designed. If you have interest ...