Walter has broadened its line of boring tools with the introduction of the B3220 boring cartridge for axial-radial offset roughing (ARS), expanding on previous methods that were either symmetrical or asymmetrical. This versatile new tool, designed for use with the Walter B3220 but which can be used with the Walter B3221 and B3224 boring tools as well, brings the capabilities of axial-radial offset roughing (ARS) to an array of new applications.