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📏 Measure Like a Pro, Rain or Shine!
The Kynup 6-inch digital caliper combines industrial-grade stainless steel construction with IP67 waterproofing and an advanced electromagnetic sensor for ultra-precise measurements. Designed for professionals and DIY enthusiasts alike, it offers four measurement modes, quick response, and smart power-saving features, ensuring reliable performance in any environment.







| ASIN | B0DCFFX48P |
| Best Sellers Rank | #10,010 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #16 in Digital Calipers |
| Brand Name | Kynup |
| Customer Reviews | 4.7 4.7 out of 5 stars (206) |
| Included Components | Case; Digital Caliper |
| Item Dimensions L x W | 9.29"L x 3.03"W |
| Item Weight | 6.95 Ounces |
| Manufacturer | Kynup |
| Material Type | Stainless Steel |
| Measurement Accuracy | 0.002mm |
| Model | KY-21B |
| Number of Batteries | 3 LR44 batteries required. (included) |
| Part Number | KY-21B |
D**O
Well built
I was very pleasantly surprised by these. I bought them because they were about the cheapest calipers that are full featured. The first impression other than the case which is made to last, is the weight. These are heavy, indicative of the quality of the build. The parts fit together with precision. The display dis clear although some of the fractional measurements are a little odd : 59/260" They even give you a screw driver for changing the batteries. Yes the battery cover screws in to place. I've had two previous calipers fail because of the thumb opening cover.
M**7
Excellent digital caliper
Much better than my HF plastic one. Solid metal construction and seems very accurate. Used to measure for 20mm watch band and i just received the watchband and it fits perfectly so it did the job. Good solid case to store it in as well. You wont be disappointed
N**E
Better than expected.
Not as accurate as they claim, it just breaks down and rounds to eliminate "jitter". I bought em for knock-arounds, hate digital (trust the dials). About 2 thousanths off, well within bang-around tolerances. These are just to take with me, and for the price are worth it. Also like having multiple sets just to make sure one doesnt need re-calibrated. Heavy, oddly. Rounds to the nearest .0005 so yeah, it does pretty good for the price. Machine shop? Get dials. Seem to hold/return to zero. Above average for the price. Display is fine and they are extremely easy to use. Metric/Imperial is nice. Not a true professionals tool, but jump straight into 120$+ at the most basic. Good value? I'd say so if you want a beater pair, pick some up.
S**N
So useful and a great value!
I keep finding more uses for this and it has already saved me more than it cost because I have less rework to do and I'm just a hobbyist. It's very easy to use, basically just turn it on, zero it, and adjust it to match what you're doing--internal measurement, external measurement, and a surprisingly-useful depth measurement thing on the end. It comes with a protective case that is quite substantial and I put it back in there after every use to protect it from other things in my garage-based shop. I've used it to find the depth of slots cut in wood, thickness of wood (very useful to decide if routed molding is good enough rather than by one's own eye), make reproducible measurements (because it shows you digitally and not by you trying to judge little lines). It has both inches and metric, which is important if you're trying to measure existing screws and bolts--I can just put it up there and check both measurement systems, and the one that gives a typical size number is the kind it is! It can give you a rough idea of board thickness, which is especially important if you just tinker and don't have a thickness planer, at least you know which pieces will work pretty well. The buttons press crisply--just enough resistance so you know you pushed them and they pop right back up. The display is very readable, and for the physical lines, I would recommend the white on black even though it was a little more because it's readable at different angles and different lighting. Something I tested was reproducibility of results, measuring things and then shutting it off and on and trying again--no problems there. Great for judging thicknesses of model-making metal strips and things like that because it's hard to tell by eye but this just puts a decimal number on it and I can compare them easily. Still finding new things to do with it, which makes it a kind of MVP as tools go.
A**R
Accuracy
So i work in a shop that deals with a lot of aerospace level of accuracy and Honestly this brand is really good price for its accuracy in the picture I list out things between the different versions as by far my favorite the ip67 0-150mm pair sprayed coolant from the machine directly into the slider and reader area while measuring a part with no issues and more accurate than advertised having had that pair for over 1.5 years now and its still accurate to within 0.01mm total honestly very accurate long lasting and surprisingly good for the price. I cant wait until they come out with a 0-300mm ip67 pair.
F**N
Wish I bought decades ago!
Ease of use, quality, storage case, readability... Wow. I boogered up the first order as I thought I originally purchased the black, I did not. Unopen unused it was an easy return to the UPS store. There was no learning curve, intuitively designed. Note: batteries were already installed and a spare set in the case for future use.
K**R
Great calipers
Very nice! Well built works great.
C**N
Accuracy
Excellent product. Accuracy is 100%. Feels very sturdy in hand and with a chrome finish its very appealing. Lastly, slide moves seemlessly and all measuring point functions very well
Trustpilot
5 days ago
2 days ago