StewMac Safe Slot Nut Guard, String Spacing Rule Only
$18.89

Get accurate string spacing without calipers, calculators or shop rulers. Our laser-etched stainless steel String Spacing Rule quickly finds the right spacing for just about any stringed instrument. It does all the math for you: proportional slot spacing automatically compensates for string diameters, from treble to bass, so the thicker strings won\'t feel crowded to the player.

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