SOONHUA Mini Electric Drill Grinder Adjustable Speed Polishing Engraving Grinding Pen Tool Kit

Specification: Material: Aluminum alloy Bit specification: 1/1.5/2/2.5/3mm (2pcs for each specification) Chuck specification: 1.0-3.0mm Specification of copper chuck: 1.0mm, 1.8mm, 2.1mm, 2.8mm, 3.0mm Power type: plug - in power supply Power supply voltage: computer output /110/220V Package List: 1 x Electric Grinder 5 x Copper Chuck 1 x Small Wrench 1 x Power Cord 10 x Drill Bits (1/1.5/2/2.5/3mm)   After-sale Warranty: If the product have any quality problem,weâ€ll promptly send you a refund. No hassle and absolutely no risk on your part.