20V, Max XR, Brushless, 1" D-Handle, Rotary Hammer Drill, Bare Tool, No Battery & Charger Included, Features An Optimized 2.6 Joules Mechanism Which Provides Faster Than Corded Speed Of Application. Mechanism Allows For Long Service Life, Even In The Hardest Concrete, Electronics Allow The Tool To Maintain Speed Through The Entire Application Without Bogging Down Even With The Largest Bits, Compact Size Allows Access To Space Restricted Areas, This Tool Provides Optimal Concrete Drilling In 3/16" To 5/8" Concrete, Offers A No Load Speed Of 0-1,500 RPM, With Blows/Minute At 0-5,550 BPM, Chuck Type SDS+, Mechanical Clutch, VSR Switch.