Super Engraving Pen

1.This product is widely used in the engraving of metal, porcelain, marble, glass, wood and other materials. 2.gear positions can be adjusted. 3.Copper core coil motor, powerful. 4.Four hole cooling. 5.Tungsten pen tip High hardness, wear resistance and good toughness. Product Name Electric Engraving Machine Hand Carve Pen Lettering for Plastic Metal Wood