Package Content:1 x Manicure Pedicure Set Variable Speed Electric Nail Art1 x AC adapter6 x Grinding6 x Grinding bit1 x User ManualFeatures:This tool is design for carver, engrave, rout. Grind, sharpen, sand, polish, drilland moreUnplug the tool form electric outlet before loading a bitPress shaft lock button, use the collet wrench to loosen the collet nut. Insertthe bit, and tighten the collet securely,. But avoid excess tightening of thecollet nut and never use the damaged bit.There is an off/on switch. When the switch is on, the tool runs at 20,000rpm.There is a switch indicator with an orange line on it. Slide the switch to findthe speed needed form 18000 to 20000rpm. Slide the switch to black dot forcomplete stop.When finished, turn off the tool and unplug it.Specification:Brand New Electric Nail Drill machineLight Weight and PortableThe nail drill can be used for natural nails as well as artificial nailsPerfect for professional or home useVariable speed control: 18000 RPM up to 20,000 RPMCollets type: 2.4mmVoltage: AC 100-240V (US plug) 50/60HZDimension: 160mm x 24mmMulti use: carving, engraving, routing, grinding, sharpening, sanding, polishing,drilling and so onColor: PinkNet weight: 107gAC 100-240V (EU plug) 50/60HZ