This is a A-804-1419 Square Bore Implement Yoke (w/ Set Screw) PN: 804-1419Main Description As Following : A-804-1419 Square Bore Implement Yoke (w/ Set Screw) PN: 804-1419 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 14 Series, Driveline > Yokes, Weasler Domestic: 14 Series Associated Items : New Also This is An Aftermarket Product And : Original Weasler part. Bore: 1 3/16" Centerline To End: 3-7/8"