This is a A-102-3518 Quick Disconnect Tractor Yoke PN: 102-3518Main Description As Following : A-102-3518 Quick Disconnect Tractor Yoke PN: 102-3518 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 : New 35 Series Safety Slide Lock Tractor Yoke, 1-1/8" Hex bore. Original Weasler part. Bore: 1 1/8" Hex.