Create some extra storage space by adding this Muscle Rack 5-Shelf Steel Shelving to keep things in your home garage or basement clutter-free. It features industrial-grade steel construction with a durable silver-vein finish to combine durability and style. Shelves are made of particle board supported by double-riveted Z-beams with braces and adjust in 1-1/2" increments to accommodate items of varying heights. This Muscle Rack Steel Shelving comes with a rivet lock design and includes a post coupler to make assembly faster and easier without needing any nuts or bolts. This versatile storage unit can be built vertically and used as a traditional 60"H shelf or horizontally and used as your very own sturdy workbench. Its ingenious design allows you to keep bulky items off the ground and on a more stable foundation so they'll be safe for whenever you need them. It is recommended that you use the included instructions and a rubber mallet (sold separately) to assemble this Muscle Rack Shelving Unit. Each space-saving organizer measures 12"D x 30"W x 60"H and can hold up to 4,000 lbs.