Best Metric Feeler Gauges of 2025

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Metric feeler gauges are precision measuring tools used to accurately determine the clearance or gap between two parts. These gauges are made up of a series of thin, flat metal strips of varying thicknesses, each marked with its corresponding measurement. They are commonly used in automotive, engineering, and manufacturing applications to ensure proper fit and alignment of parts. Metric feeler gauges are available in different materials such as steel, brass, and plastic, making them suitable for a wide range of applications. They are easy to use and provide accurate and reliable measurements, making them an essential tool for any mechanic or engineer.
At a Glance: Our Top Picks
Top 10 Metric Feeler Gauges
Spurtar 32 Blades Stainless Steel Feeler Gauge
The Spurtar 32 Blades Stainless Steel Feeler Gauge is a user-friendly and easy-to-identify tool for measuring gap width or thickness. It features dual markings in SAE and Metric units, ranging from 0.001inch to 0.04inch (0.03mm to 1mm), and the numbers of size are etched into the feeler gauge for easy identification. The gauge is made of high-quality flexible 65 manganese steel, which is hardened and polished for precise and long-lasting usage. It is foldable, comes with a plated steel case, and is coated with vaseline to prevent rust and ensure ease of use.
Steel Feeler Gauge Dual Marked Metric and Imperial Tool
This feeler gauge set is made of durable 65 manganese steel and has 32 blades thickness. This foldable tool is easy to store and take with you. The dual markings in metric and imperial allow for easy identification, with numbers etched into the gauge for convenience. The metric sizes range from 0.04-0.88mm while the inch sizes range from 0.0015-0.035 inches. It comes with anti-rust oil on the stainless steel to prevent rust.
AMERICAN MUTT TOOLS Feeler Gauge Set
The AMERICAN MUTT Feeler Gauges are designed for precision and durability, making them a must-have for any workshop. You can rely on these gauges for accurate measurements, ensuring your projects are executed flawlessly. The innovative angled design provides access to tight spaces, allowing you to work efficiently. With clearly marked sizes and laser-etched measurements, reading and interpreting the gauges becomes a simple task. The ultra-thin gauges are perfect for fine adjustments, giving you the precision needed for engineering and automotive applications.
Spurtar Universal Feeler Gauge Set
The Spurtar Universal Feeler Gauge Set is a practical and durable tool set designed for measuring gap width and thickness in various applications. Made of stainless steel, this gauge set comes with 32 blades of varying thickness, allowing you to measure gaps from 0.0015 Inch to 0.035 Inch (0.04mm to 0.88 mm). With clear and easy-to-read markings, you can quickly and accurately measure gap widths and thicknesses in both metric and imperial sizes. The laser-etched numbers and scales ensure that the markings won't wear out easily, making this feeler gauge set long-lasting. Additionally, the anti-rust oil coating prevents the gauge from rusting and ensures easy opening. Whether you're a designer, engineer, or machinist, the Spurtar Universal Feeler Gauge Set is a practical and reliable tool that belongs in your toolbox.
uxcell Feeler Gauge Metric Filler 6" Long
The uxcell Feeler Gauge is a 6" long metal tool designed to measure gaps in metric dimensions. It includes 17 blades with thickness ranging from 0.02mm to 1.00mm, making it suitable for a wide range of applications. The tool is compact and easy to use, and comes with a silver tone finish for durability. It is an ideal tool for mechanics, machinists, and DIY enthusiasts who need to accurately measure gaps and clearances.
Stanley Proto 25 Blade Metric Feeler Gauge Set
The Stanley Proto 25 Blade Metric Feeler Gauge Set includes 1/2-inch x 3-5/16-inch metric blades in a steel holder with sizes ranging from 0.04mm to 1.00mm. The set is compact and lightweight, weighing only 0.22 lbs. It is made in the USA, ensuring high-quality craftsmanship.
Mayata 1 PCS 100A16 Feeler Gauge Tool
The Mayata Feeler Gauge Tool is a versatile tool designed for precise woodworking measurements. It features a curved steel gapped metric filler with 16pcs blades, making it ideal for measuring thicknesses ranging from 0.05mm to 1mm. The surface of the shell protection plate is electroplated, providing a beautiful appearance and a comfortable touch. The ruler's scale is clear and easy to read, allowing you to quickly and accurately measure your workpieces. The blades are made of high specification spring alloy steel, ensuring high hardness, good elasticity, wear resistance, and long life. With the blades securely tied inside the blade protector, you won't have to worry about losing a single blade. The Mayata Feeler Gauge Tool is a reliable and convenient tool for any woodworking enthusiast.
17 Blades Stainless Steel Feeler Gauge Metric and Imperial Measuring Tool
The 17 Blades Stainless Steel Feeler Gauge Metric and Imperial Measuring Tool is made of reliable 65 manganese steel and stainless steel housing, ensuring durability and anti-rust protection. This flexible measuring tool is easy to use and can access hard-to-reach areas. It has metric sizes ranging from 0.02 to 1.00 mm and inch sizes ranging from 0.0007 to 0.039. It is ideal for various scenarios such as setting up lifts, spark plugs, and point spaces.
CAMWAY Feeler Gauge Set
CAMWAY Gauge Set includes two types of feeler gauges: one with 32 straight blades and another with 16 offset blades. The blades are marked with metric and imperial measurements for easy identification. With a 360-degree swivel design, you can easily fold and carry them around. Made of anti-rust 65 manganese steel, these gauges are durable. They are used to measure gap sizes between joint surfaces, aiding in determining if sizes are within specifications.
GEARWRENCH 32 Blade Deluxe SAE/Metric Feeler Gauge
This GEARWRENCH 32 Blade Deluxe SAE/Metric Feeler Gauge measures clearances from 0.038 to 0.889mm and comes in black color. Manufactured in the United States, it has a compact package size of 7.62 L x 1.524H x4.064W(centimeters). This gauge is perfect for measuring gaps and clearances in your machinery, ensuring accuracy for your projects.
Frequently Asked Questions (FAQs)
1. What is metric feeler gauge?
Metric feeler gauges are tools used to measure gap widths. These gages are primarily used by engineers and machinists to measure the clearance between two parts that are in close proximity. The tools themselves consist of a set of thin metal lengths of steel with different thicknesses.
2. How thick is a number 12 feeler gauge?
Feeler Gauge: 0.012 in Thick, Long Blade, 12 in Blade Lg, 1/2 in Blade Wd, 12 PK. Country of Origin USA.
3. What is the range of sizes in feeler gauge?
Measuring range 0.04-0.88mm and accuracy 0.01. Blade Sizes Metric: 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.28, 0.30, 0.33, 0.35, 0.38, 0.40, 0.43, 0.45, 0.48, 0.50, 0.53, 0.55, 0.58, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.88mm.
During our metric feeler gauge research, we found 24 metric feeler gauge products and shortlisted 10 quality products. We collected and analyzed 118,724 customer reviews through our big data system to write the metric feeler gauges list. We found that most customers choose metric feeler gauges with an average price of $7.11.
The metric feeler gauges are available for purchase. We have researched hundreds of brands and picked the top brands of metric feeler gauges, including Spurtar, Hotop, AMERICAN MUTT TOOLS, uxcell, Proto. The seller of top 1 product has received honest feedback from 1,874 consumers with an average rating of 4.9.

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.