0.01mm Crack Width Gauge Card – Precision Defect Measurement

Measure Cracks & Defects with Card-Style Precision

The 0.01mm Precision Crack Width Gauge is a compact, card-style measurement tool designed for accurate defect detection across a wide range of materials and surfaces. Whether you're a hobbyist, student, collector, or on-site professional, this transparent PET gauge delivers consistent, reliable readings every time — right from your toolkit or pocket.

Key Features

• 0.01mm Accuracy: Offers dot diameter measurement from 0.05–2mm and linear width detection from 0.03–2.2mm for professional-grade precision in construction, woodworking, and material testing.
• Transparent Card Design: The clear PET body lets you align the scale directly over the surface being measured, ensuring fast and accurate visual readings without guesswork.
• Double-Sided Protective Film Coating: Scratch-resistant film on both sides keeps the scale markings crisp and readable, protecting the tool's long-term functionality even in demanding environments.
• Card-Centering Mechanism: Integrated card centering feature supports precise alignment for multi-inspection scenarios, making it ideal for collection management and detailed project oversight.
• Portable & Field-Ready: At approximately 9.8 × 5.5 cm (3.86 × 2.17 in), this slim gauge tucks easily into any toolkit, pocket, or carrying case — perfect for on-site inspections and outdoor use.
• Versatile Applications: Suitable for woodworking, structural assessment, material analysis, model building, and general DIY projects at home or in the workshop.

Specifications

• Measurement Range (Dot Diameter): 0.05–2mm
• Measurement Range (Linear Width): 0.03–2.2mm
• Precision: 0.01mm
• Material: PET (Polyethylene Terephthalate)
• Color: Transparent
• Dimensions: ~9.8 × 5.5 cm / 3.86 × 2.17 in
• Country of Origin: Made in Mainland China

What's in the Box

• Crack Width Gauge Card × 1

Ideal For

• Hobbyists & DIY enthusiasts
• Students & educators in construction or engineering
• Collectors needing precise defect identification
• Woodworking and home workshop projects
• On-site construction and material testing professionals

For more guidance on precision measurement tools and standards, visit the National Institute of Standards and Technology (NIST) – Measurements.

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Note: Due to lighting and display settings, slight color variations may appear. Minor dimensional tolerances may exist due to manual measurement.

Learn more: Calipers

Frequently Asked Questions

Q: What is the measurement precision of this crack width gauge?

A: This crack measurement tool card offers precision to 0.01mm, with a linear width detection range of 0.03–2.2mm and dot diameter measurement from 0.05–2mm — suitable for detailed inspections in construction, woodworking, and material testing.

Q: Is this crack gauge durable enough for outdoor use?

A: Yes! The gauge features a double-sided protective film coating that resists scratches and keeps scale markings clear. Its slim PET card design is lightweight and portable, making it well-suited for both indoor workshops and outdoor field inspections.

Q: Who is this crack measurement card best suited for?

A: This tool is designed for a wide range of users, including hobbyists, beginners, students, collectors, and professionals. It's particularly useful for woodworking, structural evaluation, model building, and any application requiring precise gap or defect measurement.

Q: What material is the crack gauge made from?

A: The gauge is made from PET (Polyethylene Terephthalate), a durable and transparent plastic that allows direct visual alignment over the surface being measured, ensuring accurate and easy-to-read results.