The EZ SHELF Expandable Garage Shelf (40 in. - 75 in.), contains 1 EZ Expandable Shelf, 2 End Brackets and 2 Center Support Brackets. It is perfect for use in a garage, basement, laundry room, mudroom, office or closet where you need added strength and/or the ability to mount to only a back wall. EZ Shelf products are EZ to Install (50% less time - No Cutting or Drilling), Incredibly Strong (high strength steel tubes hold 250 lbs. with two center supports), beautifully designed and economical for all applications. EZ Shelf Products can be joined together to make longer shelves, and are easily combined to make custom designs. All EZ Shelf products can be installed by one person, will last a lifetime, and are assembled in the USA.