Excellent found ways to inprove upon a almoat perfect design!
Pros: smaller profile proves better clearance and much more easy to grip.
Cons: only comes in metric for now i actually prefer metric as i dash equal .00039" vs .0005" of inch so u get better resolutions but.... the shanks is 12mm and most inch collets wont work if u have alip fit aome collets come loose and give a range like 12-13mm those work. I will be buying the inch version as soon as it comes out!!
Conclusion: the digitial model claims the best accuracy but from what i can see the use the same sensor the digital is claimed more accuracy just cause it can show it better on the digital display. Those of u who are good at reading inbetween the lines on a dial indicator will have no issue geting .0001-.0002" accuracy.
I have tried all the top edge finders brown and sharp mitutoyo all those have maybe .0006-.0008" repeatability... the $25 starett actually has about .0002" repeatabiltiy and is the only conventional edge finder i will ever use now. Just is very impressive for $25.
The Haimer 3D Taster is just worth every cent in machining time is money and it streamlines your setups and it not only speeds it up it increases accuracy.

Now in stead if putting in a interapid to check flatness and vertical squarness after already having to of edge find... u can do it all with this i a very rapid manner. From what i have seen both my machines can jog in .0001" and this is every bit as accurate as the machine. I was told not to buy because unlike a edge finder that turns these could be crooked or leaning one way and give bad accuracy but thanks to the 4 adjustable set screw on top you can indicate it in to 0 T.I.R. That is why it is nice to have one per machine so you can keep it setup once it is calibrated.

Havent used it much since I got it as I am currently reconfiguring my CNC machine but have played with it and it is extremely accurate. I am happy with it at the moment. We will see how it handles the rigor of regular use

Amazing device. Saves time and hassles on manual or CNC mills for hole finding and dro zero setting.

Flimsy, flaky device. Really not worth that money.

Jumps out of adjustment on lightest knock. Once I dropped it on my mill table from collet from about 5in - I had to take device apart put gears and springs back. Internal construction is of thin brass and plastic. Flimsy & flaky again. Save yourself time and money. Even $12 Chinese electric edge finders are more reliable than this.

Pass this one.

The best, for that price range.
The sensor has to be calibrated one time, for the tool holder.
You must purchase some Haimer probes, they will break by accident some times.