THE DEWALT DWA5101 3/16"" X 4"" X 6"" IMPACT READY MASONRY BIT FEATURES AN INNOVATIVE FLUTE DESIGN LEADING TO FASTER MATERIAL REMOVAL FOR EASIER DRILLING. IT OFFERS A SPEED TIP WHICH PENETRATES MATERIAL QUICKLY. DESIGNED WITH A 1/4"" HEX SHANK FOR USE IN IMPACT DRIVERS. COMMONLY USED FOR TAP CON INSTALLATION AND BRICK/BLOCK FASTENING. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -