Very unique thread threading tool. Rather than guess where your threads line up, this tool repeats threads +-0.001. With the throw of a lever moves the threading tool in and out 0.187 between cuts. Dont turn dials back and forth, add quality to your cut. Size A for quick tool change. The item “Quick change tool holder for threading lever action accurate work” is in sale since Sunday, January 20, 2019. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Quick Change Tool Post”. The seller is “mster2000″ and is located in Westwood, New Jersey. This item can be shipped worldwide.