ULTRA PRO SERIES3.5"

THIS PROFESSIONAL DRY CORE BIT IS BUILT FOR THOSE JOB LOCATIONS THAT HAVE NO WATER FEED. HIGH QUALITY DIAMONDS AND ADDITIONAL SEGMENTS PROVIDE A LONGER LIFE AND FASTER CUTS. BODY AIR VENTS ALLOW FAST, CLEAN DRILLING AND EXTRACTION OF FILLED SUBSTANCE. PERFECT FOR BLOCK, DO NOT USE ON REINFORCED CONCRETE.