Milwaukee 1/2in. Impact Wrench delivers 325 ft.-lbs. of maximum torque, the most of any cordless impact wrench, and is powered by the revolutionary 28 Volt Lithium-Ion battery pack, exclusively from Milwaukee. This high-torque impact wrench is designed for heavy-duty use, whether driving large lag screws, anchors and bolts, drilling large holes, or removing lug nuts. Plus, the powerful Milwaukee 28V motor makes breaking loose stuck nuts a breeze. The V28 battery pack weighs less than an 18V pack yet delivers two times the run time. The V28 battery will never develop a memory and can be charged at any time regardless of the packs current charge leveCordless Yes Max. Torque (ft.-lbs.) 325 Impacts Per Minute (IPM) 2,450 Drive (in.) 1/2 Speed - No Load (RPM) 1,450 Amps N/A Volts 28 Battery Included Yes, (2) 28V Lithium-Ion batteries Charger Included Yes, 1-hr. charger Case Included Yes Tool Length (in.) 12 1/8 Tool Weight (lbs.) 8.9 Additional Product Specs * Magnesium gear case for added durability and lighter weight * Comfortable nonslip, soft-grip surfaces that reduce vibration and fatigue * Reversible battery pack fits in tight spaces and adjusts balance