ISO SB001 Stainless Steel Bull's Eye Sign Mounting Brackets, Straight Leg w/Stainless Steel Bolt & Washer, 50 per Box. It Straps On, Inc., Stainless Steel Bull's Eye Straight Leg sign brackets are used with ISO band, won't oxidize and are corrosion resistant except in the most demanding environments. ISO is an American manufacturer and our stainless steel is melted and manufactured in the USA to ASTM Standards. It Straps On, Inc. products are the perfect choice anytime your application requires strength, durability and corrosion resistance. Easily installs with ISO band using the following tools: Cool Tool #T001, Ratchet Tensioner #T101, Self-Opening Spring Cutter #T502, Medium Band Cutter #T545, Tensioning Tool #T1916 and Crimping Tool #T1952