4" Boring Head-3/4" Straight Shank-For 3/4" bars, includes 1/2" reducer for 1/2 boaring bars-Super clean and nice condition Made in USA! This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "mrmat_56" and is located in this country: US. This item can be shipped to United States.