The Milwaukee M18 Cordless 1/2in. Hammerdrill/Driver not only delivers an industry-leading compact and ergonomic design, but is up to 20% faster in concrete than the competition. In addition, the 2602-22 is the only hammerdrill/driver in its class with an all-metal gear case, providing maximum durability for heavy duty applications.Max. Torque (in.-lbs.) 450 Volts 18 Speed - No Load (RPM) 0-500/0-1,700 Chuck Size (in.) 1/2 Keyless Chuck Yes Clutch Settings Yes Reversible Yes Variable Speed Yes Battery Amp/Hour 2.8 Battery Included Yes (2) Charger Included Yes Case Included Yes Additional Product Specs * 0-29,000 BPM * Heavy-duty 2-speed metal gearbox * Single-sleeve metal chuck * Li-Ion batteries for extended run time * Built-in LED worklight * Compact 8 1/2in. Length