This 2-tool combo kit features the most powerful drill and fastest impact driver. POWERSTATE Brushless motors deliver the most power and durability, while REDLINK PLUS Intelligence protects from overloads heating and over discharge. The 1/2" Hammer Drill is the industry's most powerful hammer drill. Hammer drill mode supports fast drilling into brick block or concrete. Auto-Stop protects from over rotation in a bindup for enhanced safety. All-metal chuck with carbide teeth are included for extra measure.