Cramer LLC Kik-Step 1001 Rolling Step Stool 500 Lb Capacity w/Steel Body Non-Skid Base-Red Casters retract when you step on a Kik-Step Stool Rubber base grips the floor, providing firm, safe footing instantly Durable stainless steel construction Non-slip, rubber step and top Rubber bumpers protect shelving and furnishings from scratches