Built to Factory original tolerances and made from wear and corrosion resistant 440C stainless steel, this breaker plate is designed to fit in a Davis Standard thermatic 3.5" extruder. Specs = .874-.876" thickness, 3.993-3.996" OD, 3.5" x .250 screen pack recess with 10 degree undercut and a radial hole pattern consisting of 163 5/32" holes with blending countersinks on the inlet side. Contact us for quantity discounts or to apply for net 30 terms.