SpeedHammer Power masonry drill bits are optimized for cutting through rebar at high speeds. Featuring two times more carbide, the bits are manufactured with premium steel for improved core strength, maximum durability, and extended life. The flute design ensures fast, and efficient dust removal, and a specially engineered groove design minimizes friction, for increased speed and longer life. Available in 6-, 8-, and 12-in. lengths and diameters ranging from 3/16 to 3/4 in. Irwin Industrial Tool Co. 800-464-7946. www.irwin.comuxrqqcrsxeybwdzwucufxsrfqxwttece