Cartridge alignment tool

I have a Fiekert, recently used it to finish up after I had used My Geo-Disc as a rough start on a Soundsmith cart .The difference was so little it was impossible move my finger such a minute difference .
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Tonearms OK, but almost impossible in many turntables .I have a Feickert , one of most common decent arms are Pro-Jects 9cc variants , very difficult .Of the 100+ TT's  I've owned over the last 50's the easiest to do is the
Pioneer TXL-1000 current production than has a large  pin sticking up
on top of pivot . With this you can get dead on a fine-line or shibata that makes this cheap TT, if 700$ is cheap, sing better that many more expensive ones .