High Torque tool for heavy use. Very wide torque range for precision work till nut busting work. Able to release heavily rusted bolts up to M33 Diameter. M18-FHIW2F12 Bare Tool Torque up to 2100 Nm 1/2″ Square Drive. Torque (Nm): 880 / 1,220 / 1,627 / 2100 (Nut opening) 3.3kg with 5.0Ah Battery. Bolts up to M33 Power System: 18V Cordless M18-FHIW2F12-502X Kit Comes with 2 x 5.0Ah Batteries, Charger and Hard Case Features Provides maximum productivity by removing stubborn and high torque fasteners faster than the competition Most compact cordless High Torque Impact Wrench in its class at 213mm in length Industry leading 4-mode drive control with bolt removal mode, allowing for ultimate control. Bolt removal mode provides maximum nut-busting torque to break fastener free, then slows to 750rpm for more control when removing fasteners REDLINK PLUS? intelligence prevents damage to the tool and battery due to overloading or overheating REDLITHIUM?-ION batteries deliver more work per charge and more work over the life of the battery Features a friction ring design to ensure quick and easy socket changes Premium rubber overmold withstands corrosive materials and provides increased comfort when in use Specs Torque (Nm) 880 / 1,220 / 1,627 / 2100 (Nut opening) No load speed (rpm) 0-550 / 1400 / 1750 / 1750 Anvil 1/2″ Impact Rate 0 – 950 / 1750 / 2100 / 2100 Maximum Bolt Diameter M33 Battery platform M18? REDLITHIUM?-ION / 18V Weight with battery pack if applicable (kg) 3.3 kg (5.0Ah) Length (mm) 213 Additional Resources Blog article : Milwaukee Impact & Fastening Tools