Bosch IWH181-01 18-Volt Lithium-Ion 3/8-Inch Square Drive Compact Impact Wrench Kit with 2 Batteries, Charger and Case 25-Percent lighter than the competition Most compact - 23-Percent shorter than competitors - Only 6-Inch long, the most compact design in the market! Faster and more torque - 2,800 RPM and 1,600 Inch/lbs of torque Highest BPM in category - over 3,200 BPM Led light - for use in dark areas