TV Entertainment Center - Solid Wood - Super Strong - Adjustable Unit The Ultimate Storage Solution; Versatile, Affordable and Endlessly Expandable Bookshelves are 13 Inches Deep (back to wall) and Connectors are made to be Deeper at 17.5 Inches Unfinished Pine, You Can Paint or Stain to Match any Decor, or Leave as is to be Chemical Free This is our Favorite Combination, but we can help you Customize your Own to FIT your needs Shelves and Connectors are Available in Other Depths and Heights. Contact us for help