Milwaukee M18FID3-0 Fuel 1/4″ Impact Driver Higher power efficiency under load – outstanding torque of 226 Nm Extremely compact design – total length of just 113 mm for access into tight spaces Faster driving speed vs. previous model – up to 3900 rpm and 4400 ipm Mode 4 is the optimum between precision work and maximum performance and automatically adjusts speed, impacts and torque 1/4 Hex chuck for quick and easy bit change Flexible battery system: works with all MILWAUKEEM18 batteries, Weight: 2.866009406 pounds, Manufacturer: Milwaukee