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⚡ Measure Like a Pro, Miss Nothing!
The Fowler 54-646-401-0 X-Tender-E Digital Dial Bore Gage Set delivers industry-leading precision with a 0.00005"/.001mm resolution and a broad 1.4" to 6" measuring range. Its two-point contact system expertly detects ovality and taper, while carbide-tipped contacts ensure long-lasting durability. Designed for professionals demanding accuracy and reliability, this set includes everything needed for immediate use, backed by Fowler’s trusted 1-year warranty.





| ASIN | B001VXWGAM |
| Best Sellers Rank | #229,135 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #31 in Bore Gauges |
| Brand | Fowler |
| Brand Name | Fowler |
| Customer Reviews | 4.3 out of 5 stars 34 Reviews |
| Manufacturer | Fred V. Fowler Company, Inc. |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Measurement Accuracy | +/-0.0001 inches |
| Model | 54-646-401-0 |
| Number of Items | 1 |
| Part Number | 54-646-401-0 |
| Range | 1.4 - 6" |
| Set Name | Set |
| UPC | 646795113879 646795153677 |
| Unit Count | 1 Count |
J**E
Great product
Great product, excellent price, very fast shipping
K**R
Good quality tool with repeatable results, instructions are very minimal.
Not very easy to setup but there is a old video on YouTube on setup and calibration. The included instructions are pretty much useless. The tool itself is good quality and does it's job with repeatable results. A set of snap gauges would do just aswell in my opinion though.
K**T
Not for beginners
If you are just learning it took me some time to figure it out. I couldn't find much help on line for a analog gauge either. You also need some other form of measurment to get your tool into calibration.
D**Y
Really 2.5 stars for my use
It does what I want but not as easily as I had hoped. No directions but what's on utube. I wanted to just run it in and look at the indicator and have it tell me the ID. But it's not quite set up to do that unless I don't know how to access that feature as the difficulty of operational features. I do portable lineboring and getting to withen .001 tolerance is critical and challenging with the tools and equipment designed for lineboring.
R**R
Five Stars
Produced same results as much more expensive units.
A**R
Five Stars
Ok
L**E
Someone asked if the digital indicator was removable for use ...
Someone asked if the digital indicator was removable for use with a stand. It is removable and is a fairly standard gage, however it does not have a mounting lug on the back. It is just a straight cover plate. You can replace the plate with another that has a lug.
A**L
Poor accuracy
The specific accuracy of this gauge is not listed anywhere, so I have attached a picture of the actual certificate that came with the gauge. So the resolution here is useless. Not sure what the point of 0.00005" resolution is good for with a listed accuracy of 0.0006" and repeatibility of 0.0004".
J**S
Bore Gage
Excelente producto cumplió con mis expectativas, y requerimientos en mi trabajo.
Trustpilot
2 months ago
3 days ago