How to clean and polish your frets? With StewMac Fret Eraser!
An easy way to make your frets shine! Fret Erasers™ are flexible self-padded rubber blocks embedded with abrasive grits.
They're incredibly handy—use them in sequence as a final step on freshly-crowned frets, to erase fine file marks and scratches. The grits are color-coded for convenience. Frets gleam, and play buttery-smooth.