Seco Shrink Fit Holder, Series: 2331G, System Size Machine Side: HSKA63, 16 mm Hole Dia, 52.5 mm, Tapered Shank, 27 mm Nose Dia, 120 mm Projection, For Use With: MQL System, 34 mm Body Dia Workpiece Side, 39 mm Clamping Length, ANSI Code: E9304540316120M1, Yes Through Coolant (Yes/No)