REINFORCED FIBERGLASS MATERIAL; 19-3/8 INCH BASE WIDTH; 3 FT HEIGHT TO TOP STEP; 3 HEIGHT TO TOP STEP IN FT; 300 LOAD RATING IN LB; 300 LB LOAD RATING; 24-3/8 INCH BASE SPREAD; SAFETY SMART. BRAND; APPLICABLE STANDARD ANSI A14.5, OSHA