【Stepless Speed】From 3,000 to 20,000 RPM (Revolutions per Minute). Usually, Low speed for metal, fast speed for glass / ceramic 【Total 30 Bits & 8
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Engraving Pen with 36 Bits, USB Rechargeable Cordless Electric Corded Mini Electric Engraver Etching Pen Rotary DIY Engraving Tool Kit for Jewelry
Electric Engraving Pen with 36 Stencils,25W Cordless Etching Engraving Tool with 35bits,USB Rechargeable Mini Micro Professional Engraver Machines for Jewelry Wood Metal Glass Stone Plastic (Black) : Arts, Crafts & Sewing
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Afantti Micro Corded Electric Engraver Pen Tool Mini DIY Engraving
Afantti Micro Corded Electric Engraver Pen Tool Mini DIY Engraving Machine Kit for Metal Glass Ceramic Plastic Jewelry with, Scriber, 30 Bits, 8 Stencils
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YaeTek 61pcs Mini DIY Engraving Tool Kit Electric Micro Engraver Pen Etching for sale online