Long Installer Drill Bit, #2, 5/16 x 18-In.
5/16" x 18", #2 long installer bit, degree point for fast boring, hole in flute makes it easy to pull wire through walls, ceilings & floors, made of premium alloy steel for boring into wood, plaster & metal lath, ideal for installation of small wire for telephones, cable tv, computers & security system.