Product: Eagle Tool US ETS56236 Flex Shank Installer Drill Bit, Interchangeable Switch Bit, Screw Point, 9/16-Inch by 36-Inch, Made in the USA
Brand: Eagle Tool US
Interchangeable with heads ETS375, ETH375, ETM375
Interchangable with shanks ETSHK11, ETSHK12, ET18715, ET18721, ET18751, ET18769
Add a Quick Switch Hex to adapt to a Quick Change chuck part number ETHXKIT187
Aggressive and self-feeding screw point and easily removable for sharpening. Replaceable set screw and allen wrench kit ETAKIT2.
Wire fishing accommodation holes in the head and in the three flat non-slip grip

Search query: 72 inch flexible drill bit
Relevance: Substitute