This is a A-124553 Key, Woodruff PN: 124553Main Description As Following : A-124553 Key, Woodruff P.N: 124553 Size: 1/4" x 1" Crossed From: AM124553 , , 124553-N , Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, Case-IH COMBINE: 1420, Case-IH COMBINE: 1440, Case-IH COMBINE: 1460, Case-IH COMBINE: 1470, Case-IH COMBINE: 1480, Case-IH COMBINE: 1482, Case-IH COMBINE: 1620, Case-IH COMBINE: 1640, Case-IH COMBINE: 1644, Case-IH COMBINE: 1660, Case-IH COMBINE: 1666, Case-IH COMBINE: 1680, Case-IH COMBINE: 1682, Case-IH COMBINE: 1688, Case-IH COMBINE: 2144, Case-IH COMBINE: 2166, Case-IH COMBINE: 2188, Case-IH COMBINE: 2344, Case-IH COMBINE: 2366, Case-IH COMBINE: 2377 Associated Items : New Also This is An Aftermarket Product And : Size: 1/4" x 1"