Key Features Milwaukee® 4-Pole Frameless Motor: Features a robust design for longer life, more power and more runtime than any brushed competitor Milwaukee® designed Impact Mechanism: Delivers maximum power and application speed for greater efficiency on the job REDLINK™ Intelligence: Provides optimized performance and overload protection using total system communication between tool, battery and charger Proprietary 2-Mode DRIVE CONTROL™: Two speed / torque modes allow class-leading control for greater application versatility 1/4" Hex Quick-Connect Chuck