Description
Product Overview
The Handook Stainless Steel Feeler Gauge is engineered for professionals who demand accuracy and durability in every measurement. Crafted from hardened tempered stainless steel, each of the 32 blades is treated with a lube‑oil coating that prevents pitting, corrosion, and wear even in the harshest workshop environments. Dual‑marked with both metric (0.02 mm to 1.00 mm) and SAE (0.0008 in to 0.040 in) graduations, the blades are laser‑etched for instant readability, eliminating guesswork and reducing setup time. The blades are housed within a compact, fold‑away case that protects the edges from damage while allowing quick access. With a total weight of just 4.2 oz and dimensions of 5.47 × 1.42 × 0.67 in, the gauge is lightweight enough for field service yet robust enough for daily industrial use. Designed to meet universal standards, this tool fits seamlessly into any precision measurement workflow, from automotive engine tuning to HVAC system maintenance.
![[Product front view showing all components]](https://www.focalshop.store/wp-content/uploads/2026/08/8989caa291924a0499ae2f47fefdb831.jpg)
Usage
Whether you are a seasoned mechanic, an HVAC technician, or a hobbyist working on a home project, the Handook Feeler Gauge delivers reliable performance across a wide range of applications. Use it to set spark plug gaps, verify valve clearances, adjust carburetor settings, or measure the thickness of shims and washers. Its compact form factor makes it ideal for tight engine bays, while the sturdy case ensures safe transport to job sites, service trucks, or remote field locations. The gauge’s non‑magnetic stainless steel construction prevents interference with electronic components, making it safe for use around sensitive sensors and circuitry. Because the blades are permanently etched with both metric and imperial values, you can switch between measurement systems on the fly without needing separate tools, streamlining workflow and reducing the number of tools you must carry.
Why Choose Us
Handook stands for quality, precision, and customer satisfaction. Each gauge undergoes rigorous testing to ensure that every blade meets tolerance specifications within ±0.001 mm, guaranteeing repeatable results across thousands of uses. Our lube‑oil coating process is performed in a controlled environment, delivering a finish that resists rust and extends the life of the tool far beyond standard stainless steel gauges. We back our products with a comprehensive warranty and a responsive support team that can answer technical questions, provide usage tips, and assist with any concerns you may have after purchase. By choosing Handook, you are investing in a tool that not only meets industry standards but also exceeds them, delivering confidence in every measurement you take.
Key Features
- Dual‑marked metric and SAE blades eliminate the need for multiple gauges, saving space and time.
- Lube‑oil coated hardened stainless steel resists corrosion and wear for long‑term durability.
- Laser‑etched markings provide instant readability, reducing setup errors and improving accuracy.
- Compact, fold‑away case protects blades and offers convenient on‑the‑go storage.
- Handook’s dedicated customer support ensures assistance and warranty coverage for peace of mind.
FAQ
What is the measurement range of the gauge?
The gauge covers a range from 0.02 mm to 1.00 mm in metric units and from 0.0008 in to 0.040 in in SAE units, providing fine resolution for most automotive and industrial applications.
Can the blades be used for both metric and imperial measurements simultaneously?
Yes, each blade is dual‑marked, showing both metric and SAE values on the same edge, allowing you to read the appropriate measurement system without swapping tools.
Is the gauge suitable for high‑temperature environments?
The stainless‑steel construction tolerates typical engine bay temperatures and brief exposure to higher heat, but it is not intended for direct contact with open flames or extreme furnace conditions.
How do I maintain the gauge to ensure long‑term accuracy?
After each use, wipe the blades with a clean, dry cloth to remove oil or debris, and store the gauge in its protective case. Avoid exposing the tool to harsh chemicals that could degrade the lube‑oil coating.
What warranty does Handook provide?
Handook offers a one‑year limited warranty covering manufacturing defects. If you encounter any issues, contact our support team for a replacement or repair.




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