Shrink Fit Tool Holder and Adapter, Hole Dia. 14.00mm, Taper Size BT40, Shank Dia. 27.00mm, Projection 90.00mm, Nose Dia. 27.00mm, Coolant Fed Coolant Through, Balanced to RPM G 2.5@25000 RPM, For Use With Carbide and HSS Tools, Series BT40