What makes a PIONEER Tool Holder great is the differences. Making a tool holder with 1/2 the guaranteed runout of the competition. 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. Clamping Range : 0.020" - 1.000". All Holders Dynamically Balanced, Nuts also Dynamically Balanced Individually, not Paired to the Holder. Coolant Thru with Coolant Collets Available or Coolant Cap System. Collet Options down to 2 Micron TIR Guaranteed! Holders Meet & Exceed all din Standards. 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. Powered by SixBit's eCommerce Solution. Features 3 µm - 0.0001" Runout Taper to Taper Clamping Range : 0.020" - 1.000All Holders Dynamically Balanced, Nuts also Dynamically Balanced Individually, not Paired to the HolderCoolant Thru with Coolant Collets Available or Coolant Cap SystemCollet Options down to 2 Micron TIR Guaranteed! Holders Meet & Exceed all din StandardsID. Aerospace Industries, Manufacturing & Metalworking. This item is in the category "Business, Office & 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.