Black Bull HD Impact Protection Railing System BeamsThe Black Bull Heavy Duty Guard Rail System is essential for use in areas where pedestrians and heavy lifting equipment mix. This listing is for the Black Bull HD Guard Rail Beams specifically. These substantial rails are made from 120 x 80mm C section steel, with a wall thickness of 4mm, making them very durable. All components are available in either a powder coated only or a galvanized, then powder coated finish. The galvanised option is the best