Hold the engrave like a pencil with your thumb over the control button The fast, easy way to protect your valuables!With a replacement tip. Perfect for: - Metal - Steel -Wood - Electronics - Valuables - Collectibles - Leather -Computers Note: Always wears protective eyewear when engraving and wash hands immediately after use. It is not recommended that you engrave electronic media such as cd"s dvd"s etc because engraving on these materials may damage the media. Package included: 1* engraver 2* tip