Stainless Steel Crack Gauge Ruler | Portable Gap Width Tool

Stainless Steel Crack Gauge Ruler – Precision Gap Width Measuring Tool

Get accurate, at-a-glance gap width readings with this 304 Stainless Steel Crack Gauge Ruler. Whether you're a professional contractor, structural inspector, or dedicated DIYer, this compact 2-in-1 feeler and hole gauge delivers reliable measurements from 0.1 mm to 1.5 mm with a clear millimeter scale — no guesswork, no delays.

Key Features

• 304 Stainless Steel Construction: Rust-resistant and built to last, with sharp, clearly marked scale graduations that are easy to read even in low-light job-site conditions.
• 2-in-1 Feeler & Hole Gauge: Measures gap width AND inner diameter in one tool, making it ideal for crack detection, mechanical alignment, and construction inspections.
• 0.1–1.5 mm Crack Comparison Scale: Standard notch design with precisely marked millimeter values lets you instantly determine crack width on concrete, stucco, drywall, wood, and masonry surfaces.
• Ultra-Thin & Pocket-Sized: At roughly 10 × 4 cm and only ~30 g, this slim gauge slips into any pocket or tool bag — always ready when you need it on-site or at home.
• Wide Range of Applications: Ideal for hardware installation, mechanical assembly, door and window fitting, valve clearance checks, concrete wall inspections, and structural monitoring.

Specifications

What's in the Box

• 1 × Crack Width Gauge Ruler

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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 methods.

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Frequently Asked Questions

Q: What materials can this crack gauge ruler measure?

A: The stainless steel crack gauge ruler is suitable for measuring gap widths in concrete, stucco, drywall, wood, masonry, and various structural surfaces. It is also useful for mechanical alignment tasks such as door and window installation and valve clearance checks.

Q: What is the measurement range of this gap width ruler?

A: This crack gauge ruler provides a crack comparison scale of 0.1 mm to 1.5 mm for gap width reading, with an overall ruler range of 0–80 mm. The clearly marked millimeter notches make it easy to determine exact gap measurements at a glance.

Q: Is this crack measuring tool durable enough for job-site use?

A: Yes! Constructed from rust-resistant 304 stainless steel, this portable gap width gauge is designed to withstand the rigors of home, outdoor, and construction environments. Its ultra-thin, lightweight profile (approx. 30 g) makes it easy to carry in a pocket or tool bag throughout the workday.

Q: Does this tool require any batteries or assembly?

A: No batteries or assembly are required. The crack gauge ruler is ready to use straight out of the box — simply insert it into the crack or gap you wish to measure and read the width directly from the scale markings.

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.