This is a A-102-1206 Quick Disconnect Tractor Yoke PN: 102-1206Main Description As Following : A-102-1206 Quick Disconnect Tractor Yoke PN: 102-1206 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 12 Series, Driveline > Yokes, Weasler Domestic: 12 Series Associated Items : A-13002006 Also This is An Aftermarket Product And : 12 Series Tractor Yoke with Quick Disconnect Pin. 1-3/8" 6 Spline Yoke. Original Weasler part. Bore: 1 3/8" - 6 spline