The grinder engraving kit is necessary for DIY carving and grinding.Small volume, light weight, carry, comfort grip handle. Can save two-thirds of the force of usual hand-carving.Shell is solid, thermal efficiency, very safe. 5 to 10 of the speed to , no sense of fatigue.Carved , soft plastics.Easy use for , amateurs, students, etc This electric carving tool has very mini grinder body, convenient to use. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. Plug Type:EU Plug,it applies to Indonesia, , , , and so on Description: Type:Mini Electric Engraving Tool Set Voltage :AC220V Output Voltage :12V Power:10W Speed(Max.): 18000 RPM Chuck Diameter:0.5mm,1.0mm,1.5mm,2.4mm,3mm Machine Size: .3*15.2cm Scope of application: Wood,Metal,Stone,Glass,Plastics(Surface engraving) Colour:Black Material:Metal + plastic Package Contents: 1 x Electric Engraving Pen 1 x Plug Adapter 1 x Fixed Rod 2 x Grinding Wheels 4 x Grinding Heads 5 x Twist Drill 5 x Copper Chuck 30 x Diamond Drill Set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.