1" 25.4 MM X 17" LONG LENOX SHIP AUGER DRILL BIT. #ASHLT16 Features: Cuts through nails and staples Black oxide coated flutes for fast chip removal Universal impact driver shank shank indentations for extension bar set screws It is ideal for running pipe or conduit and is great for electricians, plumbers, handy man or gas installers. It has flats on the shank to eliminate the shank spinning in the chuck. The bitS are brand new in retail packaging for use or resale. Any questions please feel free to email us or call us.