Adjustable Heavy-duty Galvanized Extra Strong Slab Rack(2 Rails+12 Posts )For Marble Granite Tile Stainless Steel Glass DisplayFEATURES AND ADVANTAGES: 1. The slab racks whole adopts galvanizing process,consist of steel 2 pcs rails 118" (3 meters) long, together with 12 pcs of square steel tube posts. The square tube sections are 2. 36" x 2. 36" x 19" (60mm x60mm x 5mm) with 59" (1500MM)long. 2. The square post can be positioned anywhere along the rack. slab racks are ideal for distributors and shops that use a variety of slab sizes. 3. As inventory is used, posts can be