Fretguru Promo Codes & Coupons September 2026 — Up to 20% Off

Precision string action gauge in 005 line increments and 010 ten thousandths of an inch number increments. The Fretguru stainless steel is laser etched deeply into the black surface, so there is no printing to rub off. Additionally, take a look at the brand-new 64ths string action gauge. The precision of the Fretguru will take your guitar out of the woodworking realm and into a different realm of play ability. The ground edge at the top of the file is safe and smooth, and the tip and upper corners are completely rounded and beveled to prevent harm to your guitar's fret board. Also included is a high-quality, made in the United States hardwood handle that makes working on your frets easier and more comfortable. Innovative Double Ski-Tip construction to shield your guitar's top from dings and scratches.