... to Adapt and Reinvent. Item Custom Metal O Ring MaterialStainless Steel, Cold Rolled Steel, Aluminum, Brass, Copper, Gilding, Bronze, Kovar, Glass ... Zinc plated Steels, Titanium, Clad Materials such as Zinc Clad Aluminum.Finishver 100 coatings are available in a range of colors ... age under 183.not pollute 4.obey color greateseMetal O Ring,D ring, Metal Stamping part, stamping metal part,metal D ...