Specification:<br /><br />100% brand new<br /><br /><br />Shank: Round handle<br /><br /><br />Finish: White Diamond<br /><br /><br />Used in hardness 25 ° below the workpiece， such as carbon steel， sheet iron， insulation board， PVC board， wood<br /><br /><br />Material: HSS 4241<br /><br /><br />Main color: gold<br /><br /><br />Surface treatment: Titanium coated<br /><br />Size: (Head Diameter * Shank Diameter * Length)<br /><br />6.3MM: 6.3MM*5MM*37MM<br /><br /><br />8.3MM: 8.3MM*6MM*40MM<br /><br /><br />10.4MM: 10.4MM*6MM*39MM<br /><br /><br />12.4MM: 12.4MM*10MM*46MM<br /><br /><br />16.5MM: 16.5MM*10MM*47MM<br /><br /><br />20.5MM: 20.5MM*10MM*47MM<br /><br />Package Included:<br /><br />6pcs x 90° drill bits<br /><br />