This is a A-15A151SW Jack, Trailer & Imp., Weld-on Swivel Brkt (2000 Lb.) PN: 15A151SWMain Description As Following : A-15A151SW Jack, Trailer & Imp., Weld-on Swivel Brkt (2000 Lb.) P.N: 15A151SW 9" Mounting Height, 10" Travel Replaces: TJ210FSW MISCELLANEOUS , Crossed From: 3018-41018 JOHN DAY , 402-251101 , , 402251101 , Found in Section & Models : Accessories > Trailer Jacks, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : A-15A904, A-15A909 Also This is An Aftermarket Product And : 9" Mounting Height, 10" Travel