{"product_id":"crack-width-gauge-card-001mm-precision-defect-measurement-tool","title":"0.01mm Crack Width Gauge Card – Precision Defect Measurement Tool","description":"\n\u003ch2\u003eMeasure Cracks with Professional-Grade Precision\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCrack Width Gauge Card\u003c\/strong\u003e is a compact, card-style measurement tool engineered for accurate defect detection and structural evaluation. Whether you're a hobbyist, student, collector, construction inspector, or workshop enthusiast, this transparent PET gauge delivers repeatable 0.01mm resolution in the palm of your hand. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.01mm Precision:\u003c\/strong\u003e Detect linear widths from 0.03–2.2mm and dot diameters from 0.05–2mm — professional-grade accuracy in a pocket-sized tool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransparent PET Construction:\u003c\/strong\u003e Crystal-clear material allows you to overlay the scale directly on the surface being measured for fast, accurate readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble-Sided Protective Film:\u003c\/strong\u003e A scratch-resistant coating on both faces keeps the scale surface clean and readable through repeated field use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCard Centering Mechanism:\u003c\/strong\u003e The integrated centering feature aligns the gauge consistently, eliminating guesswork and improving measurement repeatability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Inspection Single Scale:\u003c\/strong\u003e One card handles linear width, dot diameter, and general defect assessment — reducing the number of tools you need to carry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Portable Design:\u003c\/strong\u003e At just 9.8 × 5.5 cm (approx. 3.86 × 2.17 in), it slides effortlessly into any toolkit, binder, or pocket for on-site work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Ideal for woodworking, construction inspection, material testing, quality control, scale modeling, and educational projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range (Linear)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.03 – 2.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range (Dot Diameter)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.05 – 2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePET (Polyethylene Terephthalate)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransparent\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.8 × 5.5 cm \/ 3.86 × 2.17 in\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Crack Width Gauge Card\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho Is This For?\u003c\/h2\u003e\n\u003cp\u003eThis crack gauge is perfect for anyone who needs reliable, repeatable measurements without bulky equipment. Students studying materials science or civil engineering will appreciate its hands-on accuracy. Hobbyists and scale modelers use it to verify detail tolerances. Collectors rely on it to assess surface conditions. Professionals in construction, quality assurance, and inspection find it a dependable backup or primary field gauge.\u003c\/p\u003e\n\n\u003ch2\u003eExplore More Precision Tools \u0026amp; Accessories\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLooking for more workspace essentials? Check out our \u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003e\"1% Better Every Day\" Motivational Canvas Wall Art Print\u003c\/a\u003e to keep your workshop inspired.\u003c\/li\u003e\n  \u003cli\u003eOutfit your workspace further with our \u003ca href=\"\/products\/best-seat-in-the-house-retro-quote-canvas-wall-art-print\"\u003e\"Best Seat In The House\" Retro Quote Canvas Wall Art Print\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety \u0026amp; Standards Reference\u003c\/h2\u003e\n\u003cp\u003eFor information on measurement standards and dimensional inspection practices, visit the \u003ca href=\"https:\/\/www.nist.gov\/metrology\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST) – Metrology\u003c\/a\u003e, the authoritative U.S. body for measurement science and standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting and display settings, slight color variations may appear. Manual measurement tolerances may apply to listed dimensions.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the measurement range of this crack width gauge card?\u003c\/h4\u003e\n\u003cp\u003eA: The crack width gauge measures linear widths from 0.03 mm to 2.2 mm and dot diameters from 0.05 mm to 2.0 mm, with a resolution of 0.01 mm — suitable for fine defect detection in construction, woodworking, and material testing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the crack gauge made from?\u003c\/h4\u003e\n\u003cp\u003eA: It is made from transparent PET (Polyethylene Terephthalate), a durable and lightweight plastic. The double-sided protective film coating adds scratch resistance and keeps the scale legible through extended use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this tool suitable for beginners and students?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Its straightforward card design, clear transparent scale, and card-centering feature make it easy for beginners, students, hobbyists, and collectors to use accurately right out of the packaging — no technical training required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How portable is this crack measurement tool?\u003c\/h4\u003e\n\u003cp\u003eA: At just 9.8 × 5.5 cm, it is credit-card sized and weighs almost nothing, making it ideal for field work, site inspections, or carrying in a toolkit, notebook, or pocket at all times.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the measurement range of this crack width gauge card?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The crack width gauge measures linear widths from 0.03 mm to 2.2 mm and dot diameters from 0.05 mm to 2.0 mm, with a resolution of 0.01 mm — suitable for fine defect detection in construction, woodworking, and material testing.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the crack gauge made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is made from transparent PET (Polyethylene Terephthalate), a durable and lightweight plastic. 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