EGA Cross-Over Ladders provide safe walkways over conveyors, machinery, ducts, pathways and other obstacles. Use as portable ladders, or bolt to floor for more permanent installations. All-welded steel construction. EZY Tread perforated stair treads ensure a solid, slip-resistant surface with 1/2" diameter perforations. Grip-Strut® offers extra slip resistance in wet applications. Ships unassembled in two pieces. Bolts together easily. Made in USA.