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Private member DiscussionRepair and Restoration

Fret levelling: How low is too low?

I finished levelling frets on a mandolin last week, and was surprised that the frets with the worst divots worked down to .020" Had I known that I'd go that low, I might have replaced them, but it's hard to measure divot height, especially those caused by thin strings. I haven't seen much discussion on standards for fret height or guidelines to know at what point should I switch from levelling to replacement. What standards are peop…

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I’ve found for most guitar players anything below .030” starts to get into refret territory. Might be different for mandolins though, I don’t work on many of those. I have a client that loves the fret…
Private member DiscussionNeck Reset Database

Gibson A-1 Mandolin, mid-late 1930s

Drill at the 12th fret. There's not much here to work with....

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...and this was the first time I needed a metal grinder to perform a neck reset...