Portable Crossover Ladder. Aluminum construction with 24" wide serrated grip tread. Easily moved from place to place. The rubber tipped legs hold until firmly while in use. 50° stairway slope for easy forward ascent or descent. Load rating is 350 pounds.Crossover halves simply bolt together for assembly. Crossovers available with either perforated or grip strut tread for slip-resistant footing. Meets OSHA standards.