Blackdecker percussion hammer drills blackdecker kr714cresk the r714cresk percussion hammer drill from blackdecker has 710w of power making it suitable for all home and diy drilling projects the hammer action makes it suitable for drilling into masonry and the spindle lock allows for easy bit change and maximum accessory grip this drill is ideal for drilling into a variety of materials such as wood metal plastic and masonry blackdecker kr714cresk percussion hammer drill 710w 240v