"The DEWALT Heavy-Duty 1in. L-Shape SDS Rotary Hammer is powered by an 8 Amp motor that provides high performance and overload protection 0-1150 RPM, 0-4300 BPM. Variable speed trigger allows user to instantly control speed from 0 to dialed setting. Delivers 2.5 ft.-lbs. of Impact Energy, providing fast drilling and powerful chipping. SHOCKS Active Vibration Control reduces vibration up to 50 while increasing user comfort and productivity. Mode selector allows for usage in rotary hammer, rotary only, and chiseling applications. Reversing feature helps release tool from bind-up situations and assists with removal of fasteners. Integral clutch reduces sudden, high torque reactions if bit jams. 360 side handle adjusts easily for preference or use in tight spaces. Hammering Modes Rotary hammer, rotary only, chisel, Rated RPM 0-1,150, Impact Energy J 2.5 ft.-lbs., Variable Speed Yes, Blows Per Minute BPM 0-4,300, Case Included Yes, Tool Weight lbs. 7.5, Amps 8, Tool Length in. 12.4. Optimal concrete drilling 5/32in.- 5/8in. 8 Amps Impact Energy 2.5 ft.-lbs. SHOCKS Vibration Control Vibration measurement 10.5 m/s2 0-1150 RPM 0-4300 BPM Chipping Yes Clutch Yes Wood/Steel drilling with adapter Variable speed switch Dust Extraction Connection allows the use of the D25300DH dust collection system not included"