Description:0.5-3mm Electric Drill Bit Collet Micro Twist Drill Chuck<br>Specification:<br> Material: copper<br> Drill Collet  Size: 0.5mm，1.0mm，1.5mm，2.5mm，3.0mm  Features:<br> Excellent workmanship.<br> 0.5-3.0mm drill collet.<br> Go with twist drill as a mini hand drll for ABS board， aluminum sheet， paperboard drilling.<br>  Package Included:<br> 1X Axis<br> 1X Copper Cap5X Collet<br>More Details: