I am putting together my first set in many years.  I tried to DIY a club-length ruler, but I don’t believe it is as accurate as I’d hoped.  I saw a previous post about the OG TS1 Bore to Ground measurement of 1″ (so a 35.5″ shaft would approx. finish to 36.5″).  Is the TS1 IM head the same?

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DaveinCO Selected answer as best May 8, 2023