REINFORCED FIBERGLASS MATERIAL; 22-7/8 INCH BASE WIDTH; 5 FT HEIGHT TO TOP STEP; 5 HEIGHT TO TOP STEP IN FT; 300 LOAD RATING IN LB; 300 LB LOAD RATING; 36-3/4 INCH BASE SPREAD; SAFETY SMART. BRAND; APPLICABLE STANDARD ANSI A14.5, OSHA