KENNAMETAL KM50-RBHT-87 TWIN CUT BORING HEAD 3.405 - 4.547 W/ CAT40 SHANK. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "johnnystools" and is located in this country: US. This item can be shipped to United States.