Just added to our product line is commonly called "Ducks in a Row".  This comes with 6 plates that start at 8" wide down to 6" wide a standard configuration, however, we can manufacture 4" and 5" plates if you prefer.  The unit shown is moveable with a hitch and wheels in case your situation dictates this type of movement.  Base Price is $2950.00 with an adder of $350.00 for a hitch, wheels and jack stands.