This is a A-800-0616 Round Bore Implement Yoke (w/ Keyway & Set Screw) PN: 800-0616Main Description As Following : A-800-0616 Round Bore Implement Yoke (w/ Keyway & Set Screw) PN: 800-0616 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 1000 Series, Weasler Domestic: 6 SERIES, Driveline > Yokes, Weasler Domestic: 1000 Series, Weasler Domestic: 6 SERIES Associated Items : New Also This is An Aftermarket Product And : 6 series implement yoke, 1" round bore, 1/4" keyway with set screw. Replaces Neapco No. 16-6215. Original Weasler Part. Bore: 1" Keyway: 1/4" Replaces: Neapco Part No: 16-6215