8A, SDS Plus,1 Rotary Hammer, Powerful Motor Delivers 21 FTLB Of Impact Energy To Handle The Most Demanding Applications, AntiVibration Technology AVT Internal Counterbalance System That Greatly Reduces Vibration, Torque Limiting Clutch Engineered To Prevent Gear Damage By Automatically Disengaging Gears If The Bit Binds, Ergonomic DShaped Handle With Rubberized Soft Grip For Increased Comfort, Recessed Hammer Function Selector Provides 3Mode Operation For Rotation Only, Hammering With Rotation Or Chipping For Multiple Applications, Accepts SDSPlus Bits DHandle, Includes Side Handle, Depth Gauge Tool Case