With the Milwaukee SDS-Max ground rod driver, you drive grounding electrodes smoothly into the soil without the heavy physical strain of using a sledgehammer. This 220 mm long accessory fits directly into your SDS-Max rotary or demolition hammer, ensuring direct and efficient impact energy transfer. The 22.2 mm internal diameter securely guides the rod, preventing mushrooming and damage to the top of the electrode. It is the dependable solution for deep earth rod installation in electrical setups and lightning protection systems.