For installing all types of small wire in homes, offices, garages, etc. Hole in flute (head) makes it easy to pull wires through hole in wall. Boring action is faster, smoother, cleaner in plaster, metal lath and most materials encountered in wiring installations.
· Special Irwin flute finishing process assures quick chip removal.
· No clogging.
· No binding.
· Longer flute section for deeper boring.
· Shank types for hand brace and electric drill.
· Made of premium quality 100 carbon bearing steel.