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OEMTOOLS 25349 Offset Feeler Gauge, 16-Blade Feeler Gauges, Measures 0.005" to 0.020" (0.127 - 0.508 mm), Hardened Steel Blades, Precision Automotive and Machinist Tools

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Availability: Only 2 left in stock, order soon!
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Arrives Sunday, Sep 20
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Size: 0.005"–0.020" (0.127–0.508 mm)


Features

  • Precise Measurement Markings: Each blade features clearly etched feeler gauge blade SAE and metric size indicators, allowing for accurate readings during automotive, mechanical, and DIY tasks.
  • Durable Steel Construction: Made from hardened, feeler gauges stainless steel, these blades resist wear and bending, ensuring long-lasting performance and consistent measurement accuracy.
  • Wide Measurement Range: Measures gaps from 0.005" to 0.020" (0.127 - 0.508 mm), making it a suitable gap measuring tool for various applications, including spark plug adjustments and engine maintenance.
  • Easy Blade Access: The built-in thumb notch on the stainless feeler gauge blade protector enables quick and simple blade selection, reducing downtime during precision measuring tasks.
  • Versatile Use Cases: Designed for measuring gap widths in automotive repairs, mechanical maintenance, and equipment calibration, providing reliable performance across multiple industries.
  • S-2 steel for strength and durability
  • 2 piece design for added strength
  • Chamfered drive end for quick attachment

Description

The OEMTOOLS 25349 Offset Feeler Gauge with 16 hardened, tempered steel blades ensures precise gap measurement for automotive, mechanical, and DIY projects. Each blade features clearly etched SAE and metric size indicators, allowing accurate readings from 0.005" to 0.020" (0.127 - 0.508 mm). The offset design improves access to hard-to-reach areas, making it ideal for tasks like spark plug adjustments and engine tuning. A built-in thumb notch on the blade protector allows quick and hassle-free blade selection. Designed for durability and consistent performance, this feeler gauge is a reliable tool for measuring critical clearances. Whether you’re performing routine maintenance or precision adjustments, trust this high-quality gauge for professional results every time. Upgrade your toolkit with this essential measuring tool built for accuracy and ease of use.

Material: Blend


Brand: OEMTOOLS


Product Dimensions: 6.7"L x 3"W


Color: Multi


Number of Teeth: 12


Style: 16 piece metric and SAE


Item Thickness: 0.01 inches


Item Weight: 2.4 ounces


Unit Count: 1 Count


UPC:


Brand Name: OEMTOOLS


Model: 25349


Warranty Description: OEMTOOLS Limited Lifetime


Unit Count: 1 Count


UPC: 074994339996 076812253491


Number of Items: 1


Set Name: 16-Piece Offset Feeler Gauge Set


Global Trade Identification Number: 91


Included Components: Offset Feeler Gauge with 16 Blades


Item Type Name: OEMTOOLS 25349 Offset Feeler Gauge with 16 Blades | Automotive Repair, Machining, and Woodworking Tool for Exactly Measuring the Gaps Between Two Parts | Rust Resistant


Manufacturer: Great Neck Saw


Part Number: 25349


Item Dimensions L x W: 6.7"L x 3"W


Item Thickness: 0.01 inches


Item Weight: 2.4 ounces


Material Type: Blend


Color: Multi


Style Name: 16 piece metric and SAE


Number of Teeth: 12


Compatible Material: Aluminum, Wood


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Works fine
Size: 9 Wires (.025"–.060")
Cant go wrong with OEM tools. It worked as it should
Reviewed in the United States on May 4, 2026 by jeremiah

  • Great tool
Size: 26 BLADE
Great buy, exactly as advertised. Fast shipping and would recommend.
Reviewed in the United States on June 9, 2026 by Joe Cagle

  • Awesome!
Size: 26 BLADE
OEM tools is a great go to. No problems.
Reviewed in the United States on March 4, 2026 by Blake

  • Great set of gauges for occasional homeowner use!
Size: 26 BLADE
This is a medium-quality feeler gauge best suited for occasional use by home mechanics. I bought this one because the price was much lower than true "professional" quality gauges and because I don't need a professional set of gauges for heavy use. I need a set of feeler gauges to check spark plug gaps every so often (a couple times a year) and to set valve clearances on some of my small engine equipment (lawn mowers, etc). I probably use these feeler gauges every 2 months at best. For these purposes, this set of gauges is perfectly adequate. The blades are smooth on the edges with no burrs, and the sizes are etched on and clearly readable. The only drawback is that the gauge set came in a bag heavily covered in oil (as other reviews have mentioned). This is likely machine oil to prevent corrosion during shipping, but you should be prepared to wipe down the gauges before first use, and you may want to wear a set of disposable gloves. I'm very satisfied with these gauges. They do the job and were at the right price point for a homeowner with a few semi-regular uses for them. ... show more
Reviewed in the United States on March 5, 2018 by Will

  • Oily, but a great tool
Size: 26 BLADE
Exactly what I needed for setting up my guitars. Good construction and very easy to use. Pros: Gets the job done, and the numbering is very big and easy to read on each feeler. Nice to have the little knob on it to tighten when you want to close it and keep it closed. Then you can simply loosen it to find the feeler that you need, then lock it back in place with a turn to use it. Solid all metal construction, seems to be something that will last, my only concern would be if the numbers ever faded. But they are in order, so if you have most of the numbers, you could figure out what's in between. Cons: As other viewers have said, there is some oil on each of the blades, which might be necessary. I don't think this thing is made of stainless steel, so a little lubrication is not a crazy idea here, but still, it will get on your hands when you use it. Conclusion: This is a great tool for setting up your guitar or whatever else you need. It has a lot of different-sized feelers and basically every increment from end to end is filled in and accounted for. I highly recommend this product, especially for the price. ... show more
Reviewed in the United States on December 4, 2017 by Drew

  • A good tool to have when you need it!
Size: 12 Blades (.008–.026")
Nice. Good quality, tested thickness with a digital caliper and they are right on. You probably won't use these very often, but they sure come in handy when you need them.
Reviewed in the United States on June 20, 2026 by Tom Foollery

  • Worked perfect
Size: Gap Size: .020"–.100"
I had some pre-gapped HKS plugs for my 2022 Kia stinger at .028 and it measured out perfectly using this tool. Verified each plug before going in the car and this was a helpful tool. Budget friendly also
Reviewed in the United States on July 4, 2025 by Jarrod M.

  • Accurate and measures in mm and inches
Size: Gap Size: .020"–.100"
This is faster to use than the tools that have different "blades" to measure spark plug gaps. You simply insert it and rotate it. The "blade" tools are better when you also need to measure other kinds of (wider) gaps but for spark plugs this is the preferred tool in my opinion. Pros: * Measures in inches and mm. Marking for inches are on one side and mm on the other side. * Very accurate. I used a caliper to check a few points. It's hard to see in the attached image but the 1mm marking read exactly 1.00mm on the caliper. * Seems pretty sturdy. Some reviewers said it's made of soft metal. Maybe if you use this a dozen times every day it will wear out but for my purpose it's more than adequate. Cons: * The markings are just stamped in. It would be great if the markings are made darker or brighter so it's easier to read them. ... show more
Reviewed in the United States on October 25, 2023 by book guru

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