Maximum 0.0002 TIR or better. 360 degree tool grip along the entire length of bore resulting in an evenly distributed clamping force and superior concentricity. Ideal for end milling, drilling and other critical rotary tool applications.No need wrenches, Collets, set screws and other accessories. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Rotary Tool Adapters & Holders". The seller is "niuniucme" and is located in this country: US. This item can be shipped worldwide.