The SKIL 3070 CA 'Brushless' cordless hammer drill is powerful and reliable, part of SKIL's innovative Energy Platform. 'Keep Cool' battery technology and ActivCell technology work together to provide 25% longer run time and 2x the lifetime, and the brushless motor is 51% faster, 33% stronger, and lasts 10x longer. This hammer drill also features 3 functions (screwdriving, hammer drilling, and drilling in masonry) and 17 torque settings for precise screwdriving plus 1 for regular drilling and 1 for hammer drilling. With the 13 mm single-sleeve metal chuck and lock, switching accessories is easier and faster than ever.