I'm working on a project that would greatly benefit from a spindle spline socket. I can make one, but I've learned my lesson about just making something because I can. I only do that now if I can't wait for the part or tool. My time is better spent making custom parts instead. Anyway, I would like to find a socket with the same spline pattern as the 28mm end of this wrench.
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I figure there is no point spending time modeling and making one if it already exists for a reasonable price somewhere.