TRESTLE TYPE; REINFORCED FIBERGLASS MATERIAL; 19 FT; 300 LOAD RATING IN LB; 112 LB WEIGHT; 300 LB LOAD RATING; 1-1/4 INCH ROUND RUNG SIZE; 39-3/4 INCH W BASE DIMENSIONS; SAFETY SMART. BRAND; APPLICABLE STANDARD ANSI A14.5, OSHA