20V, Max XR, Brushless, 1" D-Handle, Rotary Hammer Kit, Compact, Light Weight, High-Performance, Rotary Hammer That Has A Durable German Engineered Mechanism That Delivers 2.6 Joules Of Impact Energy, Brushless Motor, Mechanical Clutch Enhances User Control In A Bind Up Situation & Can Help Minimize Sudden Torque Reaction, Compact Size Allows Access To Space Restricted Areas, 4.0Ah Packs Provide All Day Run Time, Dust Extraction Ready, Optimal Concrete Drilling 3/16" To 5/8", No Load Speed Is 1-1,500 RPM, Blows Per Minute Is 0-5,500 BPM, Chuck Type Is SDS Plus, Mechanical Clutch, Switch Is VSR, Includes: Adjustable Side Handle With Integrated Depth Stop Rod, 4.0Ah Packs & Charger.