I am trying to change the rear bearing on my 1987 300TD wagon.

IT's a bear but what I need is to find a socket that fits the multi-cog bolts that hold on the rear axle shaft.

Please does anyone know what it's called or any local type stores that carry it? Snap-on? Mac? Matco? Auto parts stores?

I am in desprate need to get this bearing changed and need to get the rear axle off to do it.

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1987 MB 300TD, 245,000 miles running great, converted to WVO.
1996 Ford F350 2WD,PSD,CC,DRW custom conversion, soon to run on WVO.
2003 Toyota Matrix,4WD (wifes)