Universal Style Tubular Runway features 1in x .5in tubular cross slats that are welded between .375 x 1.5in high tensile tubular steel stringers. Cross slats feature rounded edges for cable protection. Standard length is 9ft 11in, and widths from 6in to 24in. Available in rust-resistant, powder coated black finish only. UL listed. Made of lightweight rectangular steel tubing: Reduces floor load and is easy to install and maintain. Steel meets stringent specifications for yield and tensile strength: Assures a strong, lightweight product that easily supports and delivers overhead cable. Tubular cross slats are welded between the stringers and feature rounded edges: Ensures cable protection. Tubular cross slats are welded on 12" centerlines: Proving more cost effective and weighing less.