This is a A-8003524H Round Bore Implement Yoke (w/ Keyway & Pinhole) PN: 8003524HMain Description As Following : A-8003524H Round Bore Implement Yoke (w/ Keyway & Pinhole) PN: 8003524H Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 35 Series, Driveline > Yokes, Weasler Domestic: 35 Series Associated Items : New Also This is An Aftermarket Product And : Original Weasler part. Bore: 1 1/2" Series: 35 Standard Keyway: 3/8" with 5/16" Pinhole