This 90-degree Crossing is designed to fit Fast Tracks New Diamond Line Crossing.  Available in Mainline Height of a scale 18" (5mm actual) or Branchline/Siding Height of a scale 12" (3.5mm actual).  Also available with 30-dgree slopes or 45-degree slopes.  Price is for Crossing Pad only.  The crossing itself can be purchased through the Fast Tracks website, here.