SFX HSK-50A/63A/100A HSK Tightening Fixture Machine Tool Applicable to HSK A/C Tool Holder High Polymer Material Designed For HSK50A/63A/100A Tool Holder Tightening UseHigh polymer material new technology; Light weight, reduce wear.Easy to install; It is more convenient and reliable compared with the traditional tightening fixture installing.Wedge and slot design,could bear greater torque,avoid skidding. Product Parameters Unique design Wedge and slot design could bear greater torque,avoid skidding. Easy installation It is more convenient and reliable compared with the traditional tightening fixture installing. Complete model Applicable to HSK A/C tool holder.Easy installation,no damage to the tool holder. High Polymer Material