3 STEP INDUSTRIAL STEEL ROLLING LADDER PERFECT FOR USE IN WAREHOUSE STOCKROOM AND MAINTENANCE AREAS. BUILT TO TAKE HEAVY EVERYDAY USE. INCREASE PRODUCTIVITY QUICKLY BY TAKING THE LADDER WHERE THE WORK IS. EASY ASSEMBLY. 10"" DEEP TOP STEP NO HANDRAIL. LOCK HAS SPRING LOADED CASTERS THAT RETRACT WHEN STEPPING ON LADDER; RUBBER FEET GRIP FLOOR. LADDER ROLLS FREELY AFTER YOU STEP OFF. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov - Nickel (Metallic)