Item No.: P09Y180

.Made with drop forged heat treated high speed steel(4241) with titanium nitride coating for longer life time; 

.Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore; 

.Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting; 

.Quick change hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools; .Included:4mm—12mm,9 steps: 4、5、6、7、8、9、10、11、12mm; 4mm—20mm,9 steps: 4、6、8、10、12、14、16、18、20mm; 4mm—32mm,15 steps: 4、6、8、10、12、14、16、18、20、22、 24、26、28、30、32mm; Sizes clearly laser-etched to make precise drilling easy.