The M18 13mm Compact Brushless Hammer Drill/Driver is the Most Compact 18v hammer drill on the market and delivers maximum runtime.  The MILWAUKEE built brushless motor, REDLINK Electronics, and REDLITHIUM™ batteries provide more efficient power delivery, for fewer trips to the charger.   At only 187mm long and 1.77kg (with battery), this drill provides excellent control & balance in a compact size, perfect for work overhead or in tight spaces.  This compact hammer drill delivers 50Nm of torque and 0-450/0-1,800 RPM, for a wide range of drilling and fastening applications.  An all-metal gear case and 13mm metal chuck provide maximum durability.