Milwaukee 18v M18FID3-0 Fuel Impact Driver Naked – NEW GEN Impact Rate – 1400/3600/4400/0-4400 IPM Max Bolt Diameter – M16 Max Fastening Torque – 226NM Max Torque – 226NM No Load Speed – 1750/3000/4000/0-4400 RPM Tool Reception – 1/4″ Hex Higher power efficiency under load with outstanding torque of 226 Nm Mode 4 is the optimum between precision work and maximum performance and automatically adjusts speed, impacts and torque Faster driving speed vs. previous model, up to 3900 rpm and 4400 ipm, Weight: 2.8880556322 Pounds, Manufacturer: MILWAUKEE