Dynamically Balancing to a grade that exceeds most machine builders maximum RPM and requirements. Changing the look to match the quality of the tool while keeping the price point competitive and reasonable. 3 µm - 0.0001 Runout Taper to Taper. PIONEER Quality Assurance Quality is the cornerstone of our organization and it is the only way to retain customers. PIONEER stands behind every product we manufacture and sell.Listings are described with detail information. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks". The seller is "hpcecs-online" and is located in this country: US. This item can be shipped worldwide.