Fixture sets are also available for stainless steel work using a combination of stainless steel, aluminum, aluminum-titanium, and chromed fixtures. Non-marring poly-amide pads and V-Prisms also available. Aluminum Overlay Sheets are available for stainless steel welding. Sheets come in standard and diagonal hole patterns to align precisely with the tables existing hole pattern. Overlay sheet is 2 mm thick and can be used with standard fast clamp bolts.