This heavy-duty Shelf Unit is designed just like our warehouse racking and comes with sturdy 1-1/8" thick shelves. Features include a 3" shelf adjustment interval, welded steel standards and cross bracing and feet that can be permanently secured to the floor if desired. Overall size is 72" wide x 18" deep x 78" tall. Great for storing bench top machines when not in use. Each shelf will support 550 lbs. Approximate shipping weight: 255 lbs.