Find a step ladder selection at Grainger that includes a wide range of sizes, materials and duty ratings. Heights range from 3' to 20'H when fully set up, and many step ladders feature molded tops designed to help keep tools handy. Nonslip treads help prevent slips and falls. A broad base can keep stepladders steady, and rubber-clad feet help reduce the chance of slippage. Duty ratings range from 225 lb. to 500 lb. Choose from ANSI Type I, IA, IAA and II step ladder options with aluminum, fiberglass and blue fiberglass construction. Shop Grainger today!