For drilling small diameter holes into various types of timber and man-made boards. Fully ground High grade High Speed Steel (HSS) Up to 3x the heat resistance of standard carbon steel bits Spur point" Drill Dia. mm: 3.0: 10.0 Total Length mm: N/A Working Length mm: N/A Shank Dia. mm: N/A Shank Type: Straight Drill Tip: N/A Material: HSS Steel