Product Features Powerful 170W motor Speed regulation with a flip of a switch: 15000-35000 rpm Ideal for hobbies, restoration, electronics and DIY 4 pcs collet nut kit Accessories assortment for cleaning, polishing, grinding, sharpening, drilling and cutting Flexible lightweight shaft attachment Technical Data Input Voltage: 230V ~50Hz Power: 170 W Protection Class: II Variable Speed: 15000 – 35000 rpm Noise Level: 88 dB Vibration: 2,5 m/s² Number of Pieces: 40 Package Contents: Mini Rotary Tool Flex shaft attachment Collet nut kit High-speed steel burrs and drills Felt polishing wheels Sanding discs and bands Steel brush Assorted grinding stones Assorted cut-off wheels Mandrels Dressing stone Wrench Hex key