Understring Radius Gauges - StewMac

Setting bridge saddle height and determining fingerboard radius is fast, easy, and accurate with these unique stainless steel understring radius gauges for guitar and bass.
We’ve had one goal since 1968—to make guitars better. Over the past 50 years we’ve proudly become the world’s leading supplier of innovative lutherie tools, parts, and supplies. From simple jobs for first-timers to supplying the largest instrument makers and repair shops around the globe, helping others make music is our passion.

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