Super heavy-duty 135° split point eliminates center punching.May eliminate the need to use screw extractors to remove broken fasteners, as the left hand drill rotation can cause a broken fastener to back out when drilling.Premium “M” series alloy provides exceptional wear resistance and longer life.Expanded web design provides superior strength and extended tool life.Finish: Surface - Ferro-Gold, Flute - Ferro-Gold.MADE IN THE U.S.A.