Why is there a need for an Adjustable Drag Link?

[ModelA29]

Originally Posted by P.S.

I really like the adjustable drag link because it is a lot beefier than the stock one.

But is it the same alloy? Henry used good steel tailored to the task when he made the parts. Who knows what grade they make aftermarket parts out of? My dad had a little ChiCom lathe we always joked about it being cast in beach sand out of scrap iron.