Göldo MB05C Adapter Bushings

Bought a set of Klusons for my Classic 60's Tele (MIM) to replace the Kluson-style Ping/Fender stock tuners, but the bushings were too narrow for the pre-existing holes. So I found these conversion bushings and thought my problem was solved.
Before anything, I have to say that they're quite good, and feel very solid. A+ for building quality.

However, the holes for the tuners in my guitar is neither 8mm nor 10mm. If you have the same model as I do, either be prepared to enlarge the holes on the headstock to fit these, or just use aluminium tape on the narrow bushings to keep them in place.

These are fine but didn’t fit my application. I’m writing this as a heads-up to others.
Firstly not all tuners, even Gotoh tuners have the same post/shaft diameter. Not even in the same series. Take for example the Kluson-style SD91 series. The units with magnum lock and height adjustable post/shafts - the HAP-M units - have 6mm post diameters. They fit too loosely in these bushings and as a result of the string tension the tuners will get sloppy and wear out prematurely over time.
On the other hand the standard SD91 tuners (no locking, height adjustment) have post diameters of ca 6,25mm (from memory so I might be off by a tad), so that these bushings will be a perfect fit and you’ll enjoy a lifetime of happiness with them.

So in all cases the buyer should check their post diameters carefully before selecting and trying to source the correct bushings. Take care, it’s a jungle out there.