This is a A-102-1006 QD Tractor Yoke PN: 102-1006Main Description As Following : A-102-1006 QD Tractor Yoke PN: 102-1006 Found in Section & Models : Driveline > Driveline Components, Neapco DOMESTIC: 1000 SERIES, Driveline > Yokes, Neapco DOMESTIC: 1000 SERIES Associated Items : New Also This is An Aftermarket Product And : Quick Disconnect Tractor Yoke for 1000 Series. 1-3/8" 6 Spline. Weasler alternative to original part. Bore: 1 3/8" - 6 Spl. Replaces: Neapco Part No: 10-4139