I bought the SME V arm used and its missing the rubber grommet that fits onto the SME provided protractor alignment tool which fits it to the spindle, plus I have read that the Feickert protractor is much more accurate than that tool.
How to use Feickert Protractor on SME V Tonearm
I just bought a Feickert Next Gen Protractor. So far I just measured the spindle to pivot distance, it was set to 212mm. This is using a Denon DL160 cartridge setup using a paper protractor from the web. The spec for the spindle to pivot distance is given as 215.35mm. My turntable is a Gyrodec with mounted SME V tonearm. So I started thinking about how this would work using the Feickert protractor, each time I move the sliding mount of the SME V, I would then need to adjust the position of the sliding spindle to pivot distance of the Feickert protractor and thereby moving the alignment point. This seems like a never ending loop of adjust SME V slide adjustment, then re-adjust the spindle to pivot distance on the Feickert to get the correct alignment. Am I missing something, it seems like a very interative process to use the Feickert Protractor with a SME V tonearm. I bought the Feickert to make alignment simpler and more accurate. How do others use the Feickert Protractor to align the SME V tonearm cartridge?