REINFORCED FIBERGLASS MATERIAL; 28-1/8 INCH BASE WIDTH; 8 FT HEIGHT TO TOP STEP; 8 HEIGHT TO TOP STEP IN FT; 300 LOAD RATING IN LB; 300 LB LOAD RATING; 55-1/4 INCH BASE SPREAD; SAFETY SMART. BRAND; APPLICABLE STANDARD ANSI A14.5, OSHA