Mini Cordless Rotary Tool Kit, 3-Speed Power Rotary Tools with 50 Accessories, 3.7V Rechargeable Rotary Tool for Sanding Polishing Drilling Cutting Grinding Engraving Etching DIY & Crafting Projects

TOOLSBAT Mini Cordless Rotary Tool, 3-Speed and USB Charging Rotary Tool Kit with 50 Accessories Technical data Voltage rating: 3.7V Battery type?3.7V Li-on / 0.6Ah Charging voltage: 5V DC (USB) Charging time: 2hr No-speed: 5000/10000/15000RPM Collet size: ø2.3mm/ø3.2mm Accessories Polishing wheels: Use to polish work-pieces made of metal and plastic. Use one of the provided mandrels to assemble. Diamond bits: For fine detail work, engraving, carving, touch-up and finishing. Use on wood, jade, ceramic, glass, hardened steel, semi precious stones and other hard materials. Bits are covered with diamond particles. Grinding stones: Use for surface treatment of metal parts, cast-metal parts, welding seams and for the removal of rust. Different shapes are available. Cutting-off wheels: Use to cut work-pieces made of metal, plastic, wood or stone. Use one of the provided mandrels to assemble. The cutting-off wheel only cuts with the outer edge. Dressing Stone: Use for cleaning and whetting grinding stones, if their surface has become irregular or dirty. Drum Band: Use to grind or smooth workpieces made of wood or glass fiber material. Use with the provided grinding drum. Mandrels: Shafts with screw or threaded head, which are designed for retaining grinding and polishing wheels. Mandrels: Shafts with screw or threaded head, which are designed for retaining grinding and polishing wheels. ATTENTION Please do not press the locking knob while the machine is running to avoid damage to the machine or safety accident.