This is a A-800-6924 Implement Yoke, Round Bore (w/ Keyway) PN: 800-6924Main Description As Following : A-800-6924 Implement Yoke, Round Bore (w/ Keyway) PN: 800-6924 Found in Section & Models : Driveline > Driveline Components, Bondioli & Pavesi 100 Series: Size 9, Driveline > Yokes, Bondioli & Pavesi 100 Series: Size 9 Associated Items : New Also This is An Aftermarket Product And : Weasler alternative to original part. Bore: 1 1/2" - 38.1 mm Standard Keyway: 3/8"