8A, SDS Plus,1" Rotary Hammer, Powerful Motor Delivers 2.1 FT/LB Of Impact Energy To Handle The Most Demanding Applications, Anti-Vibration 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 D-Shaped Handle With Rubberized Soft Grip For Increased Comfort, Recessed Hammer Function Selector Provides 3-Mode Operation For Rotation Only, Hammering With Rotation" Or Chipping For Multiple Applications, Accepts SDS-Plus Bits D-Handle, Includes: Side Handle, Depth Gauge & Tool Case.