About this item This fits your . Make sure this fits by entering your model number. Long-length offers more reach and depth than a jobber-length drill bit 130-degree point angle for centering and to reduce pressure on cutting edges Cobalt steel is a combination of toughness and hardness, for use on drilling into hard substances Uncoated (bright) finish with aluminum chromium nitride (AlCrN), to reduce friction, for efficient chip removal, and to help extend tool life Round shanks, for use with a variety of tool holders