The Vevor 5-tier rolling bin storage rack is a mobile organization system designed to keep tools, parts, and supplies neatly sorted. It includes 12 medium bins with label slots and adjustable shelves to accommodate different storage needs. A heavy-duty steel frame, powder-coated finish, and durable PP bins provide strength for daily use. Smooth-rolling 360° casters with locks make it easy to move and position in garages, warehouses, offices, classrooms, restaurants, and kitchens.