This is a A-700-1200 Tube Weld Yoke (w/ Bearing Groove) PN: 700-1200Main Description As Following : A-700-1200 Tube Weld Yoke (w/ Bearing Groove) PN: 700-1200 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 12 Series, Driveline > Yokes, Weasler Domestic: 12 Series Associated Items : New Also This is An Aftermarket Product And : Tube weld yoke with bearing groove. Yoke is used with tube A-70-1250. Use W/ Tube Part# 70-1250 (1 1/4" X 1 3/8") Original Weasler part. Bore: 1 1/4" x 1 3/8"