Sandvik Coromant Indexable Boring Bar, Series: T-Max® Q-Cut, 30 mm Minimum Bore, 62.5 mm Maximum Bore Depth, 200 mm Overall Length, 25 mm Shank Diameter, Cylindrical with 3-Flat Shank, Left Hand of Holder, AF151.37 Toolholder, Insert Compatibility: N151.3-300-25-7G, Steel, Yes Through Coolant