Patent ID: 7322778

Claim:
A tool for working a workpiece, the tool comprising: (a) an elongate member comprising: (i) a central axis defining axial, angular, and radial directions, (ii) first and second ends, (iii) at least two extremities located at the first end, at least one of the at least two extremities comprising at least one blade member, (iv) a slot adjacent the at least two extremities, the slot being configured to receive an insert assembly, and (v) a conduit, wherein the conduit is in fluid communication with the slot; and (b) an insert assembly positioned in the slot, the insert assembly comprising: (i) an first member having two or more sides, (ii) a first insert positioned adjacent to at least one of the two or more sides of the first member, and (iii) a channel formed in the first member, wherein the channel is configured to provide fluid communication from the conduit to the first insert, wherein the first insert is configured to communicate force from fluid communicated through the conduit to one of the at least two extremities.