A wider opening offers more legroom for oversized chairs! The U-shaped leg frame connects directly to an 18" x 24" open front desktop for optimum support. Formed from 1 1/8", 18-gauge steel, the frame features a continuous 3/4" brace that fully supports the perimeter of the book box for superior added strength. The open front book box is formed from a single sheet of steel with safe rolled edges. (4 1/2"H x 15"D x 20 1/2"W). Quieter, nylon-cushioned swivel glides. Sturdy swaged legs. 5/8" Laminate Top in your choice of Golden or Walnet,  must order by 2's.