The All-Crop concave set for the 1680-7088 series of Case IH combines includes the 6 concaves, which are half size as compared to OEM, bolt on front slope, and comes with 2 additional inserts. The setup produces the most optimal results for crop threshing and separating amongst a range of crops without having to change concaves. The set can, however, be customized for specific crops or conditions by changing out the individual inserts or concaves. Inserts are replaceable and reversible 180 degrees for economical refurbishment.