For industrial, construction, building, roofing and general contracting use. Lightweight and durable, with large platform top step for comfortable working space. Non-marring, skid-resistant, stabilizing feet. Folds down to 5-1/2" deep for storage. All-in-one leg lock and carry handle. Comfort hand grips for an easy climb. Self-folding working tray includes recessed areas for paint cans and tools, plus locking drawer with cover. WARNING: Metal ladders conduct electricity. Do not use where contact may be made with live electrical circuits.