25W Powerful Engraver Pen: 7200 strokes per minute high power engraving machine, the variable speed engraver tool can adjust 6 different speeds. Adjustable dial regulates engraving depth and speed to achieve various strokes, from fine lines to deep grooves Handheld Engraving Machine: Engraving pen handle has a soft rubber coating, it can effectively reduce wrist fatigue and soreness after long hours of engraving work. Hand-held giving a natural pencil light squeeze and precise operating experience 2 Engraver Tips: Handheld engraving pen is equipped with 2 replaceable tungsten carbide writing heads, easy to carry and can replacement it at anywhere you want. 2 genuine tungsten carbide tips guarantee smooth, stable, long lasting performance Metal Engraving Tool: Suitable for a wide range of engraving materials. Engraver tool for metal for DIY personalizing and engraving leather, metal, glass, and wood. Ideal for engraving personal mark and make special birthday for your friends or family