Louisville Ladder FX1110 300-Pound Duty Rating Fiberglass Extension Trestle Ladder, 10-Foot Fiberglass is non-conductive when clean and dry 300 Lbs, load capacity, includes weight of user and tools Heavy gusset bracing, heavy duty steel gussets to support bottom frame Channel and I-Beam rail, covered with a polyester veil for years of service without fiber prominence or blooming The ladder meets or exceeds the safety standards set by ANSI, American National Standards Institute and OSHA, Occupational Safety and Health Administration