WIDE APPLICATION Mini rotary tool can be used for cutting, grinding, grinding, trimming, polishing, engraving, grinding, drilling or smoothing parts for any home improvement or craft work. So works well on metal, metal, wood, plastic, modeling clay, jewellery, aluminium. The multi-function tool grinder can also be used to care for pet claws. Do not use too many hard materials. ADJUSTABLE ROTATION SPEEDOne button to change the rotation speed between 3,000 and 20,000 rpm. allows flexible adjustment and adjustment of the speed according to the content of the work and the type of material used. VERSATILE ROTARY TOOL KITWith 78 accessories such as sanding tape, drill bit, sanding discs, diamond bits for sanding, grinding, sharpening, polishing, engraving, drilling and cleaning, meet your different DIY demands. More stencils graphics give you more ways to customize your valuables. MANAGEABLE AND COMFORTABLE HANDLERubber coated handles provide superior comfort and control for better control. Like a pen held for precision work, held like a hammer for tough work, lets you work better and less tired. EXTENDED ACCESSORIESExtended accessories come in a small clear plastic box to keep things simple. In addition, all accessories are easy to attach and change. This multi-purpose DIY rotary tool mini drill with 78 accessories is simply amazing. It has a wide variety of applications at home or at work such as drill bits, carvings, engravings, grinding wheels, grinding, sanding, sharpening and many more. more. Engraver pen specifications: AC input: 100V~240V, 50~60Hz DC output: 9V / 1000mA RPM (revolutions per minute): continuous rotation speed from 3,000 to 20,000 Collet Size: 3/32"2.4mm What you get: 1 x engraving pen 1 x carbide scribe 10 x diamond bits 11 x flat diamond bits 5 x round diamond bits 4 jujube-shaped diamonds 6 x polishing tips 6 x sanding bands 2 x diamond drill bits 3 x small stainless steel saw blades with 1 connecting rod 3 x small diamond blades with 1 connecting rod 24 stencils (8 number and letter stencils + 8 graphic sheets + 8 flower stencils) 1 x power adapter