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Availability:
In Stock.
Arrives
Monday, Sep 22
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Features
- CALIPER: Handy tool for plumbers, electricians, jewelers and do it yourselfers for making quick, accurate inside, outside and diameter measurements.
- DURABLE: Constructed of non-magnetic brushed brass with a lacquer finish for durability.
- TWO SCALES: One tool provides measurements in both mm and 1/16" for greater flexibility.
- LONG LIFE: The measurements are etched and filled so they won't wear off.
- COMPACT SIZE: This caliper has a 4" measuring capacity inside and outside yet is pocket sized, lightweight and easy to carry.
- GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively.
Brand: General Tools
Material: Brass
Range: 4 Inches
Measurement Accuracy: +/-.5%
UPC:
Measurement Accuracy: +/-.5%
Range: 4 Inches
Material: Brass
Global Trade Identification Number: 86
Manufacturer: General Tools
Brand Name: General Tools
UPC: 038728441386
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 22
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Before getting into the review, it's important to remember that pocket calipers, regardless of brand or model, are meant for checking hardware/components, not for precision measurement during fabrication or inspection. My review is based on the expectation of a 4" pocket caliper, not a 4" hardened and ground steel vernier caliper. Summary: This is a great tool for checking SAE and metric hardware/components. Since this does not have a vernier scale, you are limited to just the accuracy of the inch and metric scales (1/16" and 1mm, respectively), plus any fractional increments you are comfortable approximating (e.g. if you know a diameter is a multiple of 1/32" that is not a multiple of 1/16", you can likely approximate a half increment). The fit and finish were better than I expected for a $10 tool, but I recommend stoning the external edges and inking the engravings. I've checked a variety of SAE and metric hardware with these, and I've been very pleased with the accuracy. Overall, these satisfy all my needs in a pocket caliper, and you can't go wrong for the price. Details: I bought this tool to check hardware/components/raw stock around the shop and at the scrap/steel yard. I wanted something that could fit in my pocket, was accurate enough to check nominal dimensions on common hardware/components/raw stock, and that would be inexpensive to replace if it was lost or damaged. This tool checked those boxes, so I decided to give it a try. Out of the box, the fit and finish were better than I expected, but the external edges needed to be softened and the engravings, though legible, could use some contrast. After softening the external edges (not the jaws or slide), I painted the surface black, then scraped the paint off with a plastic scraper so only the paint in the engravings remained. Since the engravings were able to hold the paint, I consider them adequate. With just a few minutes of cleanup, the tool was ready to go. Although the machining in the dovetail slide is rough, to motion of the slide is uniform, with no discernable sticking or slipping points (even without any lubricant), so I didn't see a need to polish it. The jaws of the caliper extend just over 3/4" from the major dimension of the dovetail slide, and although the scale on the caliper extends to 4", the slide extends less than 1/16" beyond the 4" mark. Realistically, I'd use this for dimensions less than 3.5". I used this to check motor shafts, pulley bores, nuts/bolts, round and flat raw stock etc... and been very pleased with the accuracy. It meets my expectations for a pocket caliper at an incredible price.
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Reviewed in the United States on March 8, 2024 by Rakesh Aladeen
Great tool.
Reviewed in the United States on April 11, 2024 by Large
On arrival, this caliper was actually a Groz brand, not a General. In my opinion, the Groz brand is typically better than the General brand, so I am happy with what I received. But as a result, I can’t review the one made by General. However, I strongly suspect that the two are made by the same company and are identical. If so, it is a good caliper.
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Reviewed in the United States on January 21, 2024 by Engineering Geek
I use these for checking brake shoes during DOT inspections. Life hack
Reviewed in the United States on October 11, 2023 by Cyber Harpie
Solid but the slide does not work smoothly. It had a slight curve. After I straightened it the slide worked better but still could be better. I will try lubrication hoping that will help.
Reviewed in the United States on October 6, 2018 by Chuckdog
The inside measurement is about 1mm off.
Reviewed in the United States on March 11, 2021 by Colie Atkinson
Handy for measure od
Reviewed in the United States on March 22, 2020 by SHD9389
I wanted to like this caliper, but it has several flaws. The worst is the accuracy... over 1/16" off. Plus it is hard to read. Don't misunderstand this, as I have multiple vernier calipers, but this one is very hard to read. And finally the nub to move the slider is in the center of the slider, and not on the bottom edge as so many others. It works, but is slow to use. Look for something else, as there are many more to choose from.
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Reviewed in the United States on March 17, 2021 by RES