Patent ID: 7717652

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, wherein the slot extends toward the second end and opens at the first end, the slot being configured to receive an insert member, and (v) a conduit, wherein the conduit is in fluid communication with the slot; and (b) an insert member positioned in the slot, the insert member comprising two sides, wherein the insert member is configured to direct fluid communicated to the slot toward one or more of the at least two extremities, wherein the insert member comprises an adjustment feature, wherein the adjustment feature is operable to selectively adjust one or both of the flow rate or pressure of the fluid communicated via the insert member toward one or more of the at least two extremities.