This is a 3/16" Extended Drill Bit from Higley.
Features: * Extended drill bits have a normal high speed drill bit set into a steel rod that is slightly larger in diameter than the drill bit. * Reaches up to 14" into your model. * Great for putting in a forgotten hole. * Drills holes for 8-32 screw applications.
...more about the Harry B. Higley Extended Drill 3/16''