What’s in the box? Tools needed: Philips head Screwdriver or Drill QTY 2: Main Frames (Identical frames: Either can be used as the top or bottom.) QTY 2: Rails QTY 25: Rack Screws QTY 8: Acorn Nuts Crescent Wrench or 3/8” Box Wrench Step 1: Step 2: When top and bottom are in place. Select your bottom frame. Place rail on the inside corner of the frame and align it so the tapped holes face the front. Secure in place with two acorn nuts. Screw (or drill) two rack screws into the rail at the bottom.