Boring Ball Holder SS for QTU-200,250,350 M, MSMSYMY. The item "Boring Bar Holder (SS)" is in sale since Tuesday, July 30, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Bar Holders". The seller is "premierengineering15" and is located in Alpharetta, Georgia. This item can be shipped to United States.