Descriptions:The grinder engraving kit is necessary for DIY carving and grinding, suitable for walnut, jade, and wood polishing carving. Small size, light weight, easy for carrying, Features:The grinder engraving kit is necessary for DIY carving and grinding. This electric polishing kits has polishing wheel, polishing head,chucketc. Complete tools set are complete for easy operation.This electric carving tool has very mini grinder body, convenient to use. Suitable for walnut, jade, and wood polishing carving.Small size, light weight, easy for carrying.You can use it for DIY polished engraving,cutting, milling, grinding, polishing, removing and drilling.Specifications:Input voltage: 100-240VElectric Drill size: 13.8 * 3.8 * 4 cm / 5.4 * 1.5 * 1.4inchChuck size: 0.5mm, 1.0mm, 1.5mm, 2.4mm, 3.2mmWeight: 291gPackage Included:1 x Electric Drill5 x drill5 x chuck2 x polishing wheel4 x polishing head1 x connecting rod.