From The Anvil's Satin Marine SS products are made from grade 316 Stainless Steel with high concentrations of chromium and nickel. These products have extreme corrosion resistance, having exceeded over 1,000 hours of salt-spray testing. This makes Satin Marine hardware an excellent choice for those living in polluted or coastal environments where defence against weathering is required. From The Anvil's Satin Marine SS hardware has a matt, low-sheen look which looks especially striking when paired with cool colours.