Louisville Ladder AY8001 300-Pound Duty Rating Aluminum Step Stands, 1-Foot Aluminum is durable and lightweight 300 Lbs, load capacity ( Includes weight of user and tools ) Large structural molded top measures 14" wide by 9 1/4" deep with a diamond tread for a slip-resistant platform Large Aluminum Steps - Steps are 6" wide. The ladder meets or exceeds the safety standards set by ANSI (American National Standards Institute) and OSHA (Occupational Safety and Health Administration).