Fully Assembled 3-Step Steel Industrial Rolling Ladder with Handrails, EGA B3020HSU, 16" W Perforated Tread, 30" Top Step Height, 450lbs Capacity, OSHA Compliant [Made in USA] - Amazon.com
Louisville - 2-Step Fiberglass Step Ladder: Type IA, 22-3/4″ High - 00236463 - MSC Industrial Supply
Perforated 24"W 9 Step Steel Rolling Ladder 21"D Top Step - FS093221P
Cosco 3-Step Commercial Rolling Step Ladder (Grey) 11834GGB1 - The Home Depot