18v hammer drill with autoselect technology with the power to drill into masonry wood metal and all screwdriving tasks autoselect technology make diy easy with autoselect choose the application you want to perform from the clutch collar and the drill automatically selects the appropriate gear and torque setting to complete the task two gears for high and low speed drilling and screwdriving first gear provides greater torque and control second gear provides greater speed features18v hammer dril