Black Bull HD Impact Protection Railing System PostThe 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 Posts specifically. These substantial posts are made from 200 x 200mm box section steel with a 3mm wall thickness. The base plates are a large format 200x200mm with a thickness of 10mm, making them very durable. For each post you will need 4 fixings each which are available here.