105 pc Set 12V Mini Electric Engraving Pen Variable Speed for Grinding Polishing Only $29.99/Set Free Shipping 12-volt output, With the , Speed regulation , 3 powerful speed selections with scattered vent holes, this rotary tool can generate strong and steady power. Variable speed from 3,000 to 18000 RPM. This is not a cordless drill, it needs to be plugged in. This power tool come with 5 collet sizes?0.8mm,1mm,1.6mm,2.3mm.3.2mm), to fits different suitable accessories and it is easily changed. which can be used to do all kinds of home projects or crafting jobs, such as grinding, cutting, sanding, carving, polishing, drilling and more. Buy at ease! Comes with 12 attachments and accessories in total that makes it a great deal Sanding bands x9, Sanding needle X6When using, you must plug in the power cord, this product is not wireless charging When using, you must plug in the power cord, This is not a cordless drill. Comes with 105 attachments and accessories in total that makes it a great deal, while shifting from one bit to another is so easy. Collets x 5, Mandrel x 1, Drill Head x 1, Polishing Drum x 1, Sanding bands x9,Grinding wheel with shankx8,Cutting discx30,Sandpaper sheetx40,Felt wheelX8,Steel brushx2,Sanding shankx1 When using, you must plug in the power cord, This is not a cordless drill. 30 dys money back guarantee, returned items must be in original condition and packaging. buyer pays return shipping. No refunds issued if items are not returned.