These are used but working Mazak Integrex Style Boring Bar Holders, 2.00 I. The grip collars are 21 mm. The Shanks are 50 mm. These Items are surplus for us. We are not a tooling dealer. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Bar Holders". The seller is "mmfsurplus" and is located in this country: US. This item can be shipped to United States.