Bring a new sense of organization to your space with the Trestles 603616-4 36 by 60 in. Boltless 4-Tier Adjustable Storage Shelving Unit.When you need to store large quantities of a wide variety of items, whether in your warehouse, workshop, or home garage, these customizable boltless shelving units are the perfect solution. The heavy-duty industrial-quality 4-tier steel shelf frame provides the perfect, sturdy solution for long-term storage needs. Designed to set up quickly and easily with a boltless design that provides premium strength and longevity without complication or hassle, this storage unit will handle any organizational job you need to tackle. The durable powder-coated steel frame and chipboard shelves stand up to wear and tear from heavy or bulky equipment and items, while the specially designed crossbeam supports allow for adjustable and precise placement of shelves for a fully customized storage solution. Ideal for warehouses, shops, cellars, workshops, archives, offices, commercial pantries, and home garages, this versatile storage rack is the versatile and hassle-free option you've been looking for. Create a stress-free, sturdy storage system wherever you need it most using the 36 by 60 in. Boltless 4-Tier Adjustable Storage Shelving Unit from Trestles. Color: Gray.