The BLACK+DECKER BEHD201 6.5A ½ inch hammer drill is ideal for a variety of household DIY tasks. 2 position switch to convert from standard and hammer drill functions. Bringing up to 48K beats per minute, It delivers the muscle to quickly drive through tough materials such as stone, brick and masonry. The single sleeved chuck allows for easy bit tightening. 1/2″ Chuck to accommodate larger bits. With a 3 position side handle, you can feel comfortable working through any application. A convenient switch allows the drill to convert from standard drilling functionality to the hammer feature which allows for drilling anything from wood to Stone.