metabo ssd18lxt200bl 18v 200nm battery impact screwdriverCompact cordless impact driver with 1 4" internal hexagon and 200 Nm for multiple uses Metabo's unique Brushless motor for rapid work progress and maximum efficiency in each application Automatic Power Shift (APS) helps when working with self drilling screws: automatic reduction of tightening torque after drilling, to avoid excessive torque Twelve speed torque levels for a wide range of applications Integrated work lamp for optimal workplace lighting