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〖3 LEVAL VISIBLE SPEED ADJUSTABLE〗: This electric engraving pen for all material is about 5000-18000r/min. Different speeds are used to engrave

Timntts Electric Engraving Pen with 37 Bits, USB Rechargeable Cordless Etching Engraving Tool, Portable DIY Rotary Engraver for Jewelry Wood Glass

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HOTROSE Electric Engraving Pen with 37 Bits, USB Rechargeable Cordless Engraving Machine, Portable DIY Rotary Engraver for Jewelry Wood Glass Stone

Intelligent Power-Off Protection: Rechargeable USB type-C charging metal engraver pen, there is a built-in overload protection chip, when the

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Timntts Electric Engraving Pen with 37 Bits, USB Rechargeable Cordless Etching Engraving Tool, Portable DIY Rotary Engraver for Jewelry Wood Glass Stone Carving (Rose Red) : Arts, Crafts & Sewing