Bosch 9-Piece Assorted Titanium Twist Drill Bit SetNo skate tip accurate starts Designed for heavy gauge and high carbon steel Long flutes for effective material removal Impact rated shank for higher torque drill drivers Titanium coating for less friction Laser marking clearly identifies diameter Features Brand Model Compatibility Fits most drill drivers Type Jobber length Bit Length Set Shank Size 1 4 in Shank Type Hex Right Left Hand Right handed Tip Geometry 135 degree split point Heavy Duty Yes