Dive Rite Doubles Tank Bands are TIG welded with beveled edges to minimize tank scratching during assembly. They are constructed of 18-gauge, corrosion resistant 304 stainless steel, with a #3 polished finish and 11-gauge, 304 stainless steel structural plates. Every band is precision sheared and punched. Stringent quality control tests during each step of the manufacturing process ensure a premium product. Our bands include stainless steel bolt kits made from 304 stainless steel. Made in the USA.