This is a A-BCH426SL Sleeve, Bale Point, For 42mm Points PN: BCH426SLMain Description As Following : A-BCH426SL Sleeve, Bale Point, For 42mm Points P.N: BCH426SL Bolt mount hole for spear is .5"Inside Diameter: 1.688"Length: 6.12"Outside Diameter: 2.20" Replaces: CHSS42 MISCELLANEOUS Found in Section & Models : Hay Tool Parts > Bale Points, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Bolt mount hole for spear is .5" Inside Diameter: 1.688" Length: 6.12" Outside Diameter: 2.20"