LANYARD READY™ attachment point is designed for users to utilize a lanyard to tether the tool and battery to rigid structures on jobsites. When working at height only use LANYARD READY™ equipped batteries (sold separately).Our Most Powerful 20V MAX* Hammer Drill** - Take on a wide range of demanding applications with our most powerful hammer drill**.Help Maximize Control - Equipped with the ANTI-ROTATION System that senses the rotational motion of the tool and shuts it down if the motion is excessive. The red LED indicator illuminates when the ANTI-ROTATION System is engaged.