Precision Watch Repair Tool AC 110-220V Micro Bench Drill Mini Drilling Machine With Speed Adjustable Power Adapter, Table drill chuck diameter 3.175, Can hold0.2/0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.75/0.75/0.8/0.85/0.9mm, Height is 22cm, It is recommended to use rotational speed drilling to ensure stable drilling and prevent the drill bit from breaking, High-precision watch repair bench drill, miniature bench drill, adaptable to 110-220V voltage, using ER11 precision colletXY axis cross slide, can be adjusted for differential adjustment, the error isonly 0.01? , the slide travel 13mm, for watches and clocks of all kinds ofsmall parts drilled accurately and not off position.