This is a A-15061200 Universal Joint, Spring Lok to Shaft Weld Yoke PN: 15061200Main Description As Following : A-15061200 Universal Joint, Spring Lok to Shaft Weld Yoke PN: 15061200 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 12 Series Associated Items : New Also This is An Aftermarket Product And : Original Weasler part. Bore: 1 3/8" x 6 Spl.; 1" x 1 1/8" Rect.