This handle extension increases the torque and pressure you can bring to bear as you stretch (or reduce) rings using your Durston ring stretcher and reducer. The robust handle is especially useful when using the stretcher to shape coin washers in the production of coin rings. Slip the end of the extension handle over the existing handle and secure it with two screws (provided). The heavy steel lengthens and supports the existing handle, significantly boosting the leverage you have as you press the mandrel into the dies on the ring stretcher/reducer. The black plastic handle is smoothly notched to give your fingers a slip-free grip throughout the process. The body of the handle is cast iron, powder-coated for long service life, and is drilled with two holes for securing the extension to the existing handle; two bolts are included to secure the extension to the handle of your stretcher/reducer.