... steel caseMetal decorative lighting partsMaterial: 201,202,301,302,304,316,Staniness ... advantage: Low price, Punctual delivery, High quality. Itemhigh quality high quality metal front panelMaterialStainless Steel, Cold Rolled ... Steel, Aluminum, Brass, Copper, Gilding, Bronze, Kovar, Glass Sealing Alloys 42,52, NiFe 48, Nickel ...