Plumbers and electricians, rejoice. The HDMB Core Bits line now makes it easier for you to drill through brick and block. Designed for dry coring of masonry and other abrasive base materials, the bits are slotted for maximum cooling and feature a starting aid for easy use. They’re available in 2-, 3-, and 4-inch sizes. Cost: $119 to $204. Hilti. 800-879-8000. www.us.hilti.com.