This is a A-10001-1059 Implement Yoke, Shear Pin, 1" Round Bore, 3/8" Pin Hole PN: 10001-1059Main Description As Following : A-10001-1059 Implement Yoke, Shear Pin, 1" Round Bore, 3/8" Pin Hole PN: 10001-1059 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 : Weasler alternative to original part. Bore: 1" Centerline: 2 1/2" Pin Hole Size: 3/8"