FS1500 Series Fiberglass Step LadderExtra heavy duty, industrial stepladder. Nonconductive ladder designed for everyday use by contractors and industry. Molded top with handyman's tool slots. Wide back braces. Full channel fiberglass rail. Double-rivet step construction. Inside spreader braces. Reinforced bottom back brace. Da Boot™. Capacity Weight: 300 lb [Max]; Material: Fiberglass; Overall Length: 4 ft; Safety Class: IA; Spread: 28 in; Step Depth: 3 in; Step/Rung Shape: Flat; Width: 18 7/8 in [Max]; Weight: 13 lb.