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The String Action Gauge Ruler is a professional-grade tool designed for guitarists and luthiers alike. Made from durable stainless steel, this pocket-sized ruler allows for precise measurements of string height, saddle depth, and nut slots across various string instruments, including electric guitars, basses, and mandolins. It features a handy conversion chart printed on one side for quick reference, making it an essential tool for achieving optimal setup and performance.
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