Bridgeport #1 and #2 High Precision Boring Heads w/ R8 Shanks 4072. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "howfactor" and is located in this country: US. This item can be shipped to United States.