Shrink Fit Tool Holder and Adapter, Hole Dia. 19.05mm, Taper Size BT30, Shank Dia. 33.00mm, Projection 90.00mm, Nose Dia. 33.00mm, Coolant Fed Coolant Through, Balanced to RPM G 6.3@15000 rpm, For Use With Carbide and HSS Tools, Series CV40