Because of the inaccessibility or the extreme depth of a hole, it is found that even long series drills are not long enough.. The drills are made with a general purpose flute design which will perform satisfactorily under the widest range of operating conditions and materials. The drilling of such holes generally requires the use of an Extra Length Drill.
The LH150 features a quick-release buckle to make it easy to go on and off, and a reflective stretch strap at the sternum combines with adjustable sizing brackets to ensure a great fit..