New Old Stock International Harvester Rear Toolbar Cultivator Shank with 12" Inch Sweep. 

Referred to as "No. 16 Type Spring Trips" in the IH parts catalog. 

Will fit cultivators using the 1-7/16" inch diameter round cultivator shank.   Please measure your shank before ordering since IH offered multiple shank diameters.

Round shaft is 20" inches long.

Total length of the shank is approx 31-1/4" inches.  The total length does not include the cultivator sweep.

Case IH part number 518017R91.

New old stock from a dealer liquidation.

Cultivator shank will have light surface rust as shown in the photos from years of previous storage.