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Home : Fretting supplies : Measuring : Understring Radius Gauges

Fast, accurate bridge saddle adjustment

Understring Radius Gauges

Each of these unique gauges has an accurately radiused arc on both the top and bottom surfaces, and is shaped to fit easily under the strings. Use the bottom curvature to determine your fretboard radius, and the matching top curvature becomes a reference for setting string saddle heights for best playability.

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Understring Radius Gauges
Item# Description In stock Price Quantity
0353 Set of 8 Yes $24.95


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They're handy for matching pickup polepiece heights to the arc of the strings, too. Precision laser-cut from .050" stainless steel, the set of eight gauges includes 7-1/4", 9-1/2", 10", 12", 14", 15", 16" and 20" radii.

November 2, 2009
The Understring Radius Gauges helped me take my Telecaster action from "not quite right" to a pleasure to play.
Rob Millette
Florence, MS

June 16, 2009
Your Understring Radius Gauges are pure genius in simplicity and speed for string set-up!
Terry Nelson
Modesto, CA

March 6, 2008
I've purchased many tools from StewMac over the years to make my life easier and to improve various aspects of my work. One of them that far exceeds my expectations is the Understring Radius Gauge Set. I purchased these when you first issued them, and not only are setups EASIER, but FAR superior and quicker than the old ruler method.
John Frondelli
dBm Pro Audio/Music Services
New York, NY



Shown on page 13 of our latest catalog.

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