This is a A-48A23P Q. D. Pin Kit PN: 48A23PMain Description As Following : A-48A23P Q. D. Pin Kit P.N: 48A23P For PAO8 PTO adaptor.Length: 3.11"Outside Diameter: .497" Crossed From: QDK120 , Found in Section & Models : PTO Parts > PTO Couplers, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Length: 3.11" Outside Diameter: .497"