Description Replaces OEM Parts Related Products SCH Fine Sections, 11 serrations per inch, for SCH Knife. Fine is recommended for wheat and grasses. 3" Sections,11SPI; H136807 MSRP: Now: $1.99 Add to Cart The item has been added Section, SCH, 4 tpi MSRP: Now: $2.19 Add to Cart The item has been added SCH Section, 7SPI; 71386924 MSRP: Now: $3.09 Add to Cart The item has been added SCH Countersunk Section for Overlap MSRP: Now: $5.39 Add to Cart The item has been added Knife Section; Fine, Overlap 4", JD H226351 MSRP: Now: $6.39 Add to Cart The item has been added Machine Make Model Combine SCH