
My 335 had string squeaking in the turns. I bought these polishing papers, got the whole set in order on all the frets. The perfect mirror shine! All scratches removed. Completely smooth string bends at the fret. Very satisfied. I bought white erasers and used them as sanding blocks. Worked great. They're soft enough to stick to the waistband for an even finish. Only 3 stars were for durability (they wear out quickly) but you still use very little to polish all the frets. Excellent purchase!

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