This is a “Must Have” for any transmission builder. This output shaft nut remover tool is for the Ford 5R110W – 4WD transmissions. The heavy duty deep socket provides an excellent fit for easy removal and installation. This tool is made from heavy duty 4140 Heat Treated Stress Relieved Steel that goes a step further by Performing a Nitride Hardening to give it a very hard surface and Oxide free finish. This will be a go to tool for many years to come. Tool comes with 4 additional replacement pins.