
I use this. Works great and one can lasts forever. And it's not abrasive, so it wont hurt a finished fretboard.I wouldn't pay the money for the LizardSpit Fret polishing kit either. Two bits of masking tape, a cloth and
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have done the job for the last 40 years. I may be on my second tube now...

I use this. Works great and one can lasts forever. And it's not abrasive, so it wont hurt a finished fretboard.
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Years ago I got a fret polishing kit free with Dean Markley strings. It was just a small square of micro mesh and a fretboard protector. I usually only polish frets after I've levelled or put new ones in.