Crack Width Gauge Card – Precision Gap Measuring Tool
Crack Width Gauge Card – Precision Gap Measuring Tool
Crack Width Gauge Card – Precision Gap Measuring Tool for Concrete & Wall Inspection
Whether you're a professional inspector, builder, or hands-on homeowner, this Crack Width Gauge Card gives you fast, accurate crack and gap readings right at your fingertips. Crafted from rust-resistant 304 stainless steel, this slim, pocket-sized tool is engineered for everyday construction monitoring, structural inspections, and mechanical alignment tasks.
Key Features
- Precise 0.1–1.5mm Scale: Clear millimeter markings and a standard notch design allow instant gap-width readings on concrete, drywall, brick, and masonry surfaces — no guesswork required.
- 2-in-1 Feeler & Hole Gauge: Combines a feeler gauge and hole gauge in one compact card, enabling both gap measurement (0.1–1.5mm) and inner diameter comparison for more efficient inspections and alignment tasks.
- Rust-Resistant 304 Stainless Steel: Built to last through repeated use in demanding outdoor and indoor environments without corroding or losing accuracy.
- Ultra-Slim & Portable: At approximately 10 × 4 cm and just 30 g, this thin card slips easily into a pocket, tool belt, or clipboard — always ready when you need it.
- Wide Application Range: Ideal for concrete wall inspection, structural monitoring, door and window installation, valve clearance checks, machining alignment, hardware installation, and civil engineering projects.
Specifications
| Material | 304 Stainless Steel |
| Measurement Range | 0.1 – 1.5 mm (gap / feeler); 0 – 80 mm (ruler scale) |
| Product Size | Approx. 10 × 4 cm / 3.93 × 1.57 in |
| Weight | Approx. 30 g |
| Battery Required | No |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × Crack Width Gauge Card
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Note: Due to lighting effects and monitor display settings, slight color variations may occur. Due to manual measurement methods, minor size tolerances are possible.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What materials is the Crack Width Gauge Card made from?
A: The crack width gauge card is constructed from rust-resistant 304 stainless steel, ensuring durability, long-term accuracy, and resistance to corrosion even in outdoor or high-moisture construction environments.
Q: What is the measurement range of this crack gauge tool?
A: The gauge features a precision scale measuring crack and gap widths from 0.1 mm to 1.5 mm, with an overall ruler scale of 0–80 mm, making it suitable for fine gap measurement in concrete, drywall, brick, and mechanical components.
Q: Can this tool be used for purposes other than concrete crack inspection?
A: Yes! This versatile 2-in-1 feeler and hole gauge card is also ideal for door and window installation, valve clearance checks, machining alignment, hardware assembly, and general construction monitoring tasks.
Q: Is this crack width gauge portable and easy to carry on-site?
A: Absolutely. The card measures approximately 10 × 4 cm and weighs only 30 g, making it slim enough to fit in a shirt pocket, tool pouch, or clipboard — perfect for professionals doing daily field inspections.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.