TWIN STEPLADDER, MATERIAL FIBERGLASS, ANSI TYPE IAA, LADDER HEIGHT 6 FT, LOAD CAPACITY 375 LB, NUMBER OF STEPS 5, BASE SPREAD 53.3 IN, BOTTOM WIDTH 22 1/2 IN, STEP DEPTH 3 IN, STEP TREAD RIBBED, SERIES WW-3430-XX, STANDARDS ANSI, OSHA COMPLIANT, RUNG/STEP SPACING 12 IN