The DWD525K and DWD520K heavy-duty 1/2-in. corded hammer drills feature a high-performance 10-amp motor, mode collar adjustment, and mid-handle grip design on the DWD525K. The units have increased drilling and hammer drilling performance, while providing 50% more power and more torque. Anti-slip soft-grip handles and 360-degree locking side handles offer comfort and control. DeWalt. 800-433-9258.