Features: 1HIGH SPEED: The no load speed of this mini rotary tool is 8000 to 28000 per minute ensuring high working efficiency. 2COMFORTABLE TO HOLD: The well designed neck grip of the cordless rotary tool provides auxiliary hand position to improve convenience. 3GRINDING HEAD FUNCTION: The grinding head is suitable for metal iron copper aluminum stainless steel. Electric grinding brush head can be used for rust removal on metal surfaces polishing wood and so on. 4POLISHING AND CUTTING: Resin cutting disc combined with connecting rods can polish wood jadestone metal etc. Double mesh cutting disc combined with connecting rods can cut metal. 5SANDING FUNCTION: Sandpaper sheets can be used with connecting rods to cut metal. Sandpaper ring combined with connecting rod can polish wood metal plastic jadestone etc. Specification: Item Type: Cordless Rotary ToolMaterial: Stainless Steel SiliconeClamp Size: 1.5 2.3 3.2mmFull Power No Load Speed: 8000-28000 Per MinuteBattery Type: Lithium Ion Battery (Built in)Battery Model: 18650Battery Capacity: 2000mAhWeight: Approx. 648g/22.9oz Package List: 1 x Cordless Rotary Tool (Battery Included)1 x USB Cable1 x Storage Box1 x English User Manual20 x Resin Cutting Disc10 x Double Mesh Cutting Disc20 x Sandpaper Ring1 x Fixing Ring8 x Wool Grinding Head3 x Electric Grinding Brush Head8 x Sanding Wheel Grinding Head11 x Connecting Rod1 x Wrench2 x Copper Core