This 3-Tier Metal Shelving Unit Set of 2 offers strong, versatile storage with a heavy-duty build, adjustable shelves, and shelf liners. Each unit can be extended vertically to form a 6-tier rack, providing flexible organization for tools, supplies, and equipment. With a total capacity of 2100 lbs, it is ideal for garages, basements, warehouses, and utility spaces, combining durability and expandability.