{"product_id":"frtlzr®-checkcard-string-action-gauge-for-guitar-setup","title":"FRTLZR® Checkcard String Action Gauge for Guitar Setup","description":"\u003cp class=\"sqsrte-large\"\u003e\u003cstrong\u003ePremium String Action Gauge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"sqsrte-large\"\u003eAchieve perfect string action and set up your guitar or bass with our Premium String Action Gauge. Crafted for accuracy and durability, this essential tool is ideal for luthiers and players who demand precise measurements, optimal playability, and excellent readability.\u003c\/p\u003e\n\u003cp class=\"sqsrte-large\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision measurement for accurate string height adjustment\u003c\/li\u003e\n\u003cli\u003eMade from high-quality anodized aluminium for durability\u003c\/li\u003e\n\u003cli\u003eClear, easy-to-read etched markings\u003c\/li\u003e\n\u003cli\u003eSuitable for electric, acoustic, and bass guitars\u003c\/li\u003e\n\u003cli\u003eCompact and portable design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sqsrte-large\"\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImproves playability by reducing fret buzz\u003c\/li\u003e\n\u003cli\u003eEnhances comfort with properly adjusted string action\u003c\/li\u003e\n\u003cli\u003eDelivers professional setup results at home or in the workshop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sqsrte-large\"\u003e\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Premium String Action Gauge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"frtlzr-faq\"\u003e\n\u003cdiv class=\"frtlzr-faq-container\"\u003e\n\u003ch2 class=\"frtlzr-faq-title\"\u003eCHECKCARD FAQ\u003c\/h2\u003e\n\u003c!-- ITEM 1 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\" open=\"\"\u003e\n\u003csummary\u003eWhat is the FRTLZR CheckCard used for?\u003c\/summary\u003e\n\u003cdiv\u003eThe CheckCard is a quick-reference setup tool used to verify key guitar measurements during setup, fretwork, and maintenance.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ITEM 2 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\" open=\"\"\u003e\n\u003csummary\u003eWhat does the CheckCard help you check?\u003c\/summary\u003e\n\u003cdiv\u003eIt allows fast verification of critical setup values such as string height references, fretboard geometry consistency, and general setup accuracy.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ITEM 3 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\"\u003e\n\u003csummary\u003eHow is the CheckCard different from feeler gauges?\u003c\/summary\u003e\n\u003cdiv\u003eFeeler gauges measure precise gaps, while the CheckCard is designed for fast visual and reference-based checks during setup workflows. It reduces setup time by allowing quick confirmation without assembling multiple gauge blades.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ITEM 4 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\" open=\"\"\u003e\n\u003csummary\u003eWhy are fret-shaped gauges easier to read than standard string action gauges?\u003c\/summary\u003e\n\u003cdiv\u003eThe fret-shaped gauges profile aligns more naturally with the human eye, making reference points easier to interpret visually compared to flat or generic string action gauges.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ITEM 5 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\" open=\"\"\u003e\n\u003csummary\u003eWhen should I use the CheckCard?\u003c\/summary\u003e\n\u003cdiv\u003eIt is used during setup, fretwork, and maintenance as a quick validation tool between measurement steps or after adjustments.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- ITEM 6 --\u003e\n\u003cdetails class=\"frtlzr-faq-item\" open=\"\"\u003e\n\u003csummary\u003eWho is the CheckCard designed for?\u003c\/summary\u003e\n\u003cdiv\u003eIt is designed for guitarists, technicians, and luthiers who want fast, repeatable setup checks without switching between multiple precision tools.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cstyle\u003e\n.frtlzr-faq {\n  max-width: 900px;\n  margin: 0 auto;\n  padding: 60px 20px;\n  font-family: inherit;\n}\n\n.frtlzr-faq-title {\n  text-align: center;\n  font-size: 24px;\n  margin-bottom: 30px;\n}\n\n.frtlzr-faq-item {\n  border-bottom: 1px solid #e5e5e5;\n  padding: 15px 0;\n}\n\n.frtlzr-faq-item summary {\n  cursor: pointer;\n  font-weight: 600;\n  font-size: 16px;\n  list-style: none;\n}\n\n.frtlzr-faq-item summary::-webkit-details-marker {\n  display: none;\n}\n\n.frtlzr-faq-item div {\n  margin-top: 10px;\n  color: #555;\n  font-size: 15px;\n  line-height: 1.6;\n}\n\n.frtlzr-faq-item[open] div {\n  animation: fadeIn 0.2s ease-in;\n}\n\n@keyframes fadeIn {\n  from { opacity: 0; transform: translateY(-3px); }\n  to { opacity: 1; transform: translateY(0); }\n}\n\u003c\/style\u003e","brand":"FRTLZR","offers":[{"title":"Default Title","offer_id":57961639936384,"sku":"SQ2528422","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/5965\/0432\/files\/DSC6166.webp?v=1777029253","url":"https:\/\/www.frtlzr.com\/products\/frtlzr%c2%ae-checkcard-string-action-gauge-for-guitar-setup","provider":"FRTLZR","version":"1.0","type":"link"}