Keep organized in style with this modern wall shelf. Billy is the 36" wide single wall shelf in lucite or black which features  support pole hardware in your choice of  aged brass, nickel, or leather. Each shelf unit is 36"W and 12"deep. Lucite shelves are 3/4" thick.  The shelves are secured to the wall with a bottom lucite support rail which is attached to the shelf as one piece. The metal knurled support arms are screwed to the wall for support with four screws which are shown on the square polished nickel base plate. The top of the support arm screws to the lucite shelf with a single screw.  We suggest a max 20 lb weight load. Materials: lucite/acrylic shelf,  metal hardware. Free shipping within the U.S.