TUNGSTEN CARBIDE ENGRAVER BIT: Sharp and precise replaceable tungsten carbide writing tip allows for the cleanest, most detailed engraving results and remains sharp for multiple uses MULTI-PURPOSE: Works great on wide range of multi-surfaces ranging from wood, plastic, metal, dog tag, glass pipes, and wood engravers. Perfect for crafting supplies and jewelry making tools. HAND HELD ENGRAVER: Soft, lightweight body with a comfortable grip makes it hand-held giving a natural pencil light squeeze for easy operation. Less arm fatigue when using this wood carving machine. ENGRAVING STENCILS: Comes with two stencils that includes numbers and shapes making it great for artistic customization or simple labeling.