Used to Remove and Replace the Injector Pressure Regulator (IPR) on Ford 6.0L and Other Diesel Engines. This is located in a very tight location. Tool is built to bottom out on the hex so it does not put torque on the connector in case it can be reused. Use with 3/8\" square drive. *36mm *OTC 6765 We do not have a socket for the 7.3L