Dewalt d2157080k dry diamond drills 2 speed 13001705w 110 230v dewalt d21580k lx this 1705w dry diamond drill from dewalt is the ideal tool for any professional tradesman dealing with electrical plumbing or hvac applications in which they are drilling only into masonry and bricks designed to perform quick and accurate core drilling into brick and masonry up to 152mm along with a two speed gearbox with mechanical clutch for added user protection other features include the overload and