This is a A-700-0600 Tube Weld Yoke (w/ Bearing Groove) PN: 700-0600Main Description As Following : A-700-0600 Tube Weld Yoke (w/ Bearing Groove) PN: 700-0600 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 6 SERIES, Driveline > Yokes, Weasler Domestic: 6 SERIES Associated Items : New Also This is An Aftermarket Product And : Tube weld yoke with bearing groove. 1" x 1-1/8" bore. Used with tube A-D70-1001 (1" x 1-1/8") Use W/ Tube Part# 70-1001 (1" X 1 1/8") Original Weasler part. Bore: 1" x 1 1/8"