Grizzly Rock Screen with 1″ x 1″ removable screen face.  All tumblers and separater bars are made from solid stock steel with 1/4 and 3/16 box plating.  These units are designed to last in the environment that they work in.  Units new retail for $6,695.00 for the grizzly and $2,295.00 for the removable screen face.  You can buy these as a complete unit for $7,600.00