Eagle Tool US ET37536 Installer Drill Bit, Interchangeable Switch Bit, Screw Point, 3/8-Inch by 36-Inch, Made in The USA

Interchangeable with heads ETS562, 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