may be integrally formed with the body 12 as shown in fig1 the fingers 14 may be substantially rectangular in shape and composed of the same flexible wear resistant material as the body 12 as best shown in fig1 the fingers 14 may be arranged substantially parallel to each other in a substantially coplanar row extending substantially perpendicularly outward from the face 18 accordingly the row of fingers 14 defines an array of sieve like openings 24 of a predetermined size for allowing material of up to a predetermined size to pass through the fingers 14 as best shown in fig2 the rods 16 have a first end 26 embedded and or molded in the body 12 and a second end 28 extending outwardly from the face 18 and through the fingers 14 the rods 16 support the fingers 14 to provide sufficient stiffness for material separation as best shown in fig3 the rods may be embedded within the fingers 14 by a molding process and may extend the length of the fingers 14 the rods 16 may be composed of metals polymers combinations or composites thereof or other suitable materials in addition although illustrated as cylindrical in shape the rods 16 should not be deemed as limited to any specific shape one of ordinary skill in the art will appreciate the use of various shapes for the rods 16 turning to the screen 10 an example of how to use the screen 10 as illustrated in fig1 3 is set forth below as shown in fig2 the body 12 is positioned in a fixture cavity 22 of a vibrating screen machine.