STUB-84-550-H 5 x 5" Replacement Idler Hub Spindle Kit Stub End unit Trailer Axle 3500# #84 Stub Axle End for 3500 pound Axles with a Part Number: STUB-84-550-H 5 x 5 Bolt Pattern 4-3/4" Stud Spacing Large GM Bolt Circle This can be used as a direct replacement for a spindle that is not safely usable anymore. Spindles have 3.37" long "tail shaft", 2.0" Diameter (Should fit inside in Standard 2" Schedule 40 pipe!) Will fit most brands: Dexter AL-KO Quality, Lippert, etc. (If you are not sure, look at the axle spindle chart above this hub fits spindle #84) I can ship more if needed. I also have a few of other bolt patterns see my other listings or just askI will list them!