Milwaukee 0235-20 1/2-Inch Magnum 0-850 RPM Drill with Single Sleeve Keyless Chuck and Spindle Lock 55 amp motor, 0 to 850 rpm, trigger speed control with reversing Heavy-duty industrial single sleeve keyless chuck and spindle lock 8-foot three wire Quik-Lok cord with easy detachment for storage and service Exclusive brush cartridge system changes brushes in less than one minute Limited warranty, 30-day no-risk trial