Viking Drill and Tool 68420 Type 240-D 135 Degree Split Point Cobalt Jobber Gold Finish Drill Set (60 Piece) 60 pc Set High Speed Steel M42 Cobalt NAS 907J 135-Degree Split Point 135-Degree split point for accurate centering and fast penetration Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance M-42 Cobalt contains 8-percent cobalt NAS 907J Cobalt Jobber Length