This is a A-10001248 Yoke & Shaft Assembly with 1" x 1-1/8" shaft PN: 10001248Main Description As Following : A-10001248 Yoke & Shaft Assembly with 1" x 1-1/8" shaft PN: 10001248 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 12 Series Associated Items : New Also This is An Aftermarket Product And : 12 Series Yoke & Shaft Assembly. 1" x 1-1/8" rectangular shaft. CL to end length is 37.38". Original Weasler part. Centerline To End: 37.38" Replaces: Neapco Part No: 65-2839 Shaft: 1" x 1 1/8" Rect.