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5 Best Thickness Feeler Gauges of 2026

Last Updated - 2026/04/17

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Handook

Stainless Steel Feeler Gauge Universal Standard SAE and Metric Offset Valve Thickness Gauge 32-Piece Blade Tool for Measuring Gap Width/Thickness

Handook

CA$25.99

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Main highlights
- 【METRIC SIZES (mm)】0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.25, 0.28, 0.30, 0.33, 0.38, 0.40, 0.45, 0.50, 0.55, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 1.00 mm
- 【INCH SIZES(inch)】0.0008, 0.0012, 0.0015, 0.002, 0.0025, 0.0028, 0.003, 0.0036, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.010, 0.011, 0.012, 0.013, 0.015, 0.016, 0.018, 0.020, 0.022, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.034, 0.036, 0.040 Inches
- 【EASY TO USE AND CONVENIENT】Made of high quality stainless steel, each measuring feeler gauge has 32 blades thickness; Foldable, easy and convenient to take and store. Easily measure gap widths with the ABN Valve Offset Feeler Gauge. It is great for use on guitars, engines, and so much more. Includes metric and inch sizes etched on each blade.
- 【EASY IDENTIFICATION】 dual marked metric and imperial, 0.0008 inch/ 0.02 mm to 0.040 inch/ 1 mm, the numbers of size are etched into feeler gauge for easy identification
- 【BUILT TO LAST】Constructed from hardened tempered steel with a lube oil coating to prevent pitting and corrosion; Each blade has sizes laser etched for easy identification; Blades are bound within a blade protector to prevent loss of individual blades;
CA$25.99
2
Best Value
20% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

HSLCGF
20% Off

25 Blades Stainless Long Steel Feeler Gauge, Metric and Imperial Gap Measuring Tool Width and Thickness Feeler Gage Gauge for Spark Plug, Valve Adjustment Tool, 0.038-1.02mm

HSLCGF

CA$20.00

CA$24.98
(20% Off)

More Details
Main highlights
- Versatile: Our gap measuring tools are used to measure gap width/thickness and are a practical tool in the toolbox of designers, engineers, mechanics, such as measuring spark plugs, guitar gaps, checking valve tolerances, point gaps, correct nut slot depths, fret slot width, string to fret clearances, piston and cylinder and other hardware installation work
- Metric sizes (mm): 0.038, 0.051, 0.102, 0.127, 0.152, 0.178, 0.203, 0.229, 0.254, 0.279, 0.305, 0.330, 0.356, 0.381, 0.406, 0.432, 0.457, 0.483, 0.508, 0.533, 0.635, 0.686, 0.762, 1.02mm
- Inch sizes: 0.0015, 0.002, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.021, 0.025, 0.027, 0.030, 0.040 inches
- High Quality Material: The feeler gauge is full of toughness, the whole piece has passed the heat treatment, high hardness, good elasticity, wear resistance, can be used for a long time; The surface shell of the measuring tool is polished, the overall metal has a texture, the surface is smooth and bright, and the touch does not hurt the hand
- Feeler Gauge Set: Our feeler gauge set consists of 25 blades, each feeler gauge has a laser engraving metric/imperial reading, clear and easy to read. The tail of the feeler gauge is fixed by the nut, easy to use, folding, easy to carry and store
CA$20.00
CA$24.98 (20% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Spurtar

Spurtar Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.0015-0.035 Inch (0.04-0.88 mm) Imperial/Metric for Measuring Gap Width Thickness for Guitar, Spark Plug, Valve, Piston

Spurtar

CA$9.97

More Details
Main highlights
- Practical: Made of stainless steel, each measuring feeler gauge has 32 blades thickness
- Multi-role: Marked Metric /Imperial reading, for measuring gap width/thickness imperial /metric sizes, suitable for designers, engineers
- Measures: 0.0015 Inch to 0.035 Inch (0.04mm to 0.88 mm)
- Long-lasting: Laser Etched for each number and scales
- Anti-rust: Feeler gauge cover with anti-rust oil, make it doesn't get rusty and easy to open
CA$9.97
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Spurtar

Spurtar 2pcs Feeler Gauge Set 32-Blade Straight Feeler Gauge and 16-Blade Offset Feeler Gauges Filler Gauge SAE Metric Filler Gauge Set Feeler Gauges for Valves, Guitar, Spark Plug, Piston Measure

Spurtar

CA$11.87

CA$12.59
(6% Off)

More Details
Main highlights
- You Will Get: 1 x 32-blade feeler gauge, 1 x 16-blade offset feeler gauge, 1 x User Manual
- Wide Applications: The feeler gauges can measure gap, width and thickness accurately, perfect for engineers, designers, mechanics. The feeler gauge set is suitable for tappet clearances, spark plugs gaps, bearing clearances, piston ring gaps, guitar, bass, and other hard-to-reach places
- Robust Construction: Feeler gauge set is made of high quality flexible #65 manganese steel, hardened and polished for long time and accurate usage. The feeler gauge is covered with anti-rust oil to keep them rust-resistant and easy to open
- Foldable & Portable: Feeler gauges can be folded to keep the blades neatly organized and protected when not in use. The compact design allows for easy storage and transportation, making it a handy tool for both professional mechanics and DIY enthusiasts
- Feeler Gauge Set Measuring Range: With clear SAE metric dual marking, 32 blades straight feeler gauge measuring range: 0.0015-0.035inch (0.04-0.88mm); 16 blades offset filler gauge measuring range: 0.005-0.020inch (0.127-0.508mm)
- Easy Identification: Every blade of feeler gauge are etched with clear size marking for easy identification, preventing it from wearing out easily and last for more time. Spurtar feeler gauges are precision crafted to provide accurate measurements from automotive maintenance to industrial applications
CA$11.87
CA$12.59 (6% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Spurtar

Spurtar 2pcs Feeler Gauge Set 32-Blade Straight Feeler Gauge and 16-Blade Offset Feeler Gauges Filler Gauge SAE Metric Filler Gauge Set Feeler Gauges for Valves, Guitar, Spark Plug, Piston Measure

Spurtar

CA$13.97

More Details
Main highlights
- You Will Get: 1 x 32-blade feeler gauge, 1 x 16-blade offset feeler gauge, 1 x User Manual
- Wide Applications: The feeler gauges can measure gap, width and thickness accurately, perfect for engineers, designers, mechanics. The feeler gauge set is suitable for tappet clearances, spark plugs gaps, bearing clearances, piston ring gaps, guitar, bass, and other hard-to-reach places
- Robust Construction: Feeler gauge set is made of high quality flexible #65 manganese steel, hardened and polished for long time and accurate usage. The feeler gauge is covered with anti-rust oil to keep them rust-resistant and easy to open
- Foldable & Portable: Feeler gauges can be folded to keep the blades neatly organized and protected when not in use. The compact design allows for easy storage and transportation, making it a handy tool for both professional mechanics and DIY enthusiasts
- Feeler Gauge Set Measuring Range: With clear SAE metric dual marking, 32 blades straight feeler gauge measuring range: 0.0015-0.035inch (0.04-0.88mm); 16 blades offset filler gauge measuring range: 0.005-0.020inch (0.127-0.508mm)
- Easy Identification: Every blade of feeler gauge are etched with clear size marking for easy identification, preventing it from wearing out easily and last for more time. Spurtar feeler gauges are precision crafted to provide accurate measurements from automotive maintenance to industrial applications
CA$13.97

5 Best Thickness Feeler Gauges of 2026

Stainless Steel Feeler Gauge Universal Standard SAE and Metric Offset Valve Thickness Gauge 32-Piece Blade Tool for Measuring Gap Width/Thickness

25 Blades Stainless Long Steel Feeler Gauge, Metric and Imperial Gap Measuring Tool Width and Thickness Feeler Gage Gauge for Spark Plug, Valve Adjustment Tool, 0.038-1.02mm

Spurtar Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.0015-0.035 Inch (0.04-0.88 mm) Imperial/Metric for Measuring Gap Width Thickness for Guitar, Spark Plug, Valve, Piston

Spurtar 2pcs Feeler Gauge Set 32-Blade Straight Feeler Gauge and 16-Blade Offset Feeler Gauges Filler Gauge SAE Metric Filler Gauge Set Feeler Gauges for Valves, Guitar, Spark Plug, Piston Measure

Spurtar 2pcs Feeler Gauge Set 32-Blade Straight Feeler Gauge and 16-Blade Offset Feeler Gauges Filler Gauge SAE Metric Filler Gauge Set Feeler Gauges for Valves, Guitar, Spark Plug, Piston Measure

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