Makita designed this wrench with replaceable armature, field and externally accessible brushes for easy maintenance.Cordless Yes Max. Torque (ft.-lbs.) 88.3 Impacts Per Minute (IPM) 0 - 3,000 Drive (in.) 3/8 Speed - No Load (RPM) 0 - 2,300 Reversible Yes Amps N/A Volts 12 Battery Included (2) 12V Ni-Cd Charger Included Yes Case Included Yes Tool Length (in.) 6 1/2 Tool Weight (lbs.) 6 5/8 Additional Product Specs * Lightweight * Externally accessible brushes * Magnesium alloy hammer case * Rubberized pistol grip * Built-in LED light