99 PCS Titanium Coated HSS High Speed Steel Drill Bit Set Tool 1.5mm - 10mm Containing Sizes 1.5mm To 10mm Set includes 13 quick change drill bits coated with Titanium for added strength and longevity Locks easily into in hex sleeves and quick release chucks and fits all power drills For home repairs and light jobs such as drilling into wallboard or hanging pictures and mirrors Quick-change 1/4" hex shank lets you quickly swap out bits