Impact rated solid core titanium coated drill bits with pilot point tips for easy starting. 1/4" hex shanks for use in impact drivers as well as standard drill chucks and bit holders. Features and Benefits One piece solid core design Impact rated for use in impact drivers Pilot Point tip starts on contact Solid core design helps to resist breakage 1/4" hex shank Titanium coating reduces heat build up delivering a longer working life No Walk tips enable easy drilling on any surface Contents 3mm Drill Bit 3.2mm Drill Bit 3.5mm Drill Bit 4mm Drill Bit 4.5mm Drill Bit 5mm Drill Bit 6mm Drill Bit 8mm Drill Bit 10mm Drill Bit 12mm Drill Bit Plastic Case.