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.Large Drilling Capacity - Drill up to a 4 in. hole with a Hole Saw or a 2-9/16 in. hole when using a self-feed bitSimplify Asset Management - Track and manage this TOOL CONNECT™ CHIP READY™ tool (chip sold separately) with the Site Manger app.