{"product_id":"stewmac-string-action-gauge-and-ruler-metric-precision-setup-tool","title":"StewMac String Action Gauge And Ruler, Metric - Precision Setup Tool","description":"\u003cp\u003eIn this review the StewMac String Action Gauge and Ruler is evaluated as a focused setup tool for guitar and bass technicians and serious players. The bottom line: it is a compact, well-made measuring tool that speeds routine setups by combining a progressive string height scale with straightforward conversion info, so the single biggest reason to buy is its combination of accuracy and durability for repeatable action readings during setups and repairs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Promise:\u003c\/strong\u003e Backed by StewMac's lifetime support and warranty, the tool is built for long-term use and reliable service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgressive string height scale:\u003c\/strong\u003e Slide the gauge across frets to read action quickly, making string height checks faster than using a standard ruler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwiss army ruler for techs:\u003c\/strong\u003e Measures string height, saddle slot depth, nut height and pickup polepiece height with pinpoint accuracy for precise adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal StewMac design:\u003c\/strong\u003e Developed by Dan Erlewine and Don MacRostie, the layout is optimized for the common measurements needed in instrument setup workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack-side conversion chart:\u003c\/strong\u003e Includes conversion and reference information on the reverse to reduce calculation time during setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe gauge is ideal for guitar and bass technicians, luthiers, and experienced players who perform regular setups and value a durable, repeatable measuring reference. Its metric markings and progressive scale suit workshops where quick checks across frets and saddle slots save time.\u003c\/p\u003e\n\u003cp\u003eLess experienced hobbyists who prefer large, high-contrast markings or those who need imperial-only measurements might find the scale harder to read or not aligned with their usual units; in that case a different ruler or a model focused on readability could be a better fit.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid stainless steel construction gives a stiff, durable feel that resists bending during routine shop use.\u003c\/li\u003e\n\u003cli\u003eProgressive height scale greatly speeds action readings compared with a conventional straight ruler.\u003c\/li\u003e\n\u003cli\u003eDesign and conversion chart reduce setup time by consolidating common measurement tasks on a single tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report the markings are fine and accurate but not as easy to read in low light or for those who prefer larger numerals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eStewMac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement system\u003c\/td\u003e\n\u003ctd\u003eMetric with conversion chart on back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary uses\u003c\/td\u003e\n\u003ctd\u003eString height, saddle slot depth, nut height, pickup polepiece height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign origin\u003c\/td\u003e\n\u003ctd\u003eDeveloped by Dan Erlewine and Don MacRostie at StewMac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurability promise\u003c\/td\u003e\n\u003ctd\u003eLifetime Promise with expert tech support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe StewMac String Action Gauge is a practical, durable setup tool that delivers fast, accurate measurements for technicians and players who do their own setups. Its progressive scale and conversion chart make it good value for workshops where speed and repeatability matter, though those who need larger, high-contrast markings should consider alternatives.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tool durable enough for professional use?\u003c\/strong\u003e\u003cbr\u003eYes. The stainless steel construction and StewMac Lifetime Promise make it suitable for regular workshop and tech use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it measure pickup polepiece height as well as string action?\u003c\/strong\u003e\u003cbr\u003eYes. The ruler is designed to measure string height, nut and saddle slot depth, and polepiece height with precise readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include both metric and imperial scales?\u003c\/strong\u003e\u003cbr\u003eThe tool is metric with a back-side conversion chart to help convert values quickly; it is not primarily an imperial-only ruler.\u003c\/p\u003e","brand":"StewMac","offers":[{"title":"Default Title","offer_id":48186054017243,"sku":"B01HUDC930","price":35.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ws2bRdkPL._AC_SL1500.jpg?v=1769454281","url":"https:\/\/gearmusthave.com\/products\/stewmac-string-action-gauge-and-ruler-metric-precision-setup-tool","provider":"GearMustHave","version":"1.0","type":"link"}