Never heard of the thread cutting device you mention p, but if the price is as has been suggested iit is right a very expensive option. I do most of my thread chasing by hand using Ashley Isles unichasers. I do have an EZ jig and it works very well. I admit it has some issues engineering wise, but remember that you are working with wood (presumably) and this is not an exact engineering quality material, and most threads are hand cut using little more than hand and eye coordination. The main benefit that the EZ jig gave me was the ability to cut threads in timber that was not realy well suited to cutting a thread. Hand chasing is by it's very nature a scraping cut, and a low speed one at that! The EZ jig allows the use of a high speed cutter with a corresponding increase in quality of cut. A weak thread is a weak thread. But at least the EZ will cut a thread in wood that otherwise could not have a thread chased in it well. The thread can then be "assisted " by a soaking of cyanoacrylate. If only we could obtain and afford Blackwood, lignum or box in any size we could ever want, thread chasing would be so much easier.
