Different ground conditions demand different piercing tools. Only HammerHead offers the variety of configurations you need—three optional head designs and more than 20 HammerHead Mole® piercing tool models—to help you tackle virtually any size bore and ground condition. Whichever HammerHead Mole model you choose, you can expect superior productivity with the help of numerous industry-leading features, including the heaviest one-piece striker in the industry, a body housing that provides outstanding durability and tool life, and an exclusive, clamped rear anvil that offers easy, in-the-field maintenance and provides up to 200 percent more clamp load than competitive models.