3-Speed Speed Control Rechargeable Electric Grinding Pen Miniature

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Mini Grinder USB Rechargeable Micro Rotary Tool Engraver Pen Wireless Electric Grinder Set Jade Carving Engrave Grinding Tool

NKTIER Mini Rotary Tool Kit 3.6V Electric Grinder Machine 3-Speed Grinder Set USB Rechargeable Mini Engraving Pen Tool for Grinding Sanding Drilling Polishing Engraving DIY Crafts

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Product name: 3-speed speed control rechargeable electric grinding

Product features., Basic parameters., Colour: green, Power: 5w, Voltage: 3.6V, No-load speed : 5000/10000/14000rpm, Collet size

3-Speed Speed Control Rechargeable Electric Grinding Pen Miniature

12000rpm Adjustable 3 Speeds Electric Grinder Mini Drill Rotary Tools Grinding Machine USB Engraving Pen with Drill Bits Tools