This is a A-JDC100BK Bolt Kit, Feeder House Chain PN: JDC100BKMain Description As Following : A-JDC100BK Bolt Kit, Feeder House Chain P.N: JDC100BK Hardware kit includes bolts and nuts to attach slats, on AH231006LS, AXE24307LS, & AXE27247LS feeder chains without slats. Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: S540, John Deere COMBINE: S550, John Deere COMBINE: S660, John Deere COMBINE: S670, John Deere COMBINE: S670 HILLMASTER, John Deere COMBINE: S680, John Deere COMBINE: S680 HILLMASTER, John Deere COMBINE: S685 (European Edition), John Deere COMBINE: S685 HILLMASTER (European Edition), John Deere COMBINE: S690 (SN 745101>), John Deere COMBINE: S690 HILLMASTER (SN 745101>), John Deere COMBINE: 9470 STS, John Deere COMBINE: 9560STS, John Deere COMBINE: 9570STS Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada