This is a A-510-0615 Slip Sleeve (w/ Grease Groove) PN: 510-0615Main Description As Following : A-510-0615 Slip Sleeve (w/ Grease Groove) PN: 510-0615 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 6 SERIES Associated Items : New Also This is An Aftermarket Product And : Slip Sleeve with grease groove. Sleeve has a 1" 15 groove bore with 3" overall length. Sleeve fits
1-1/2" / .065 wall thickness. Original Weasler part. Bore: 1" - 15 Spl. Fits Tube: 1 1/2" / .065 Wall Length: 3"