Roll-formed, welded hot rolled steel.; Sizes 10" to 60" ship today, smaller and larger sizes made to order.; With or without holes.; Leg-in or leg-out.; Precise measurements to ensure an easy, tight fit.; Flat bar rings available in sizes 14" and larger.; Square and rectangular flanges can be fabricated in angle iron, flat bar or plate.; Available in custom sizes and materials, including Galvanized, Stainless Steel and Aluminum.; Precision punched.; Hot Dipped Galvanized available 15" to 48".