Feature:Inspiration: DIY engrave.Body Material: PP Plastic， safe for human body.Size: 17*3cm.Weight: 60g.Function: DIY tools / Gift.Tip:1. A fast and easy to engrave something， personalize your valuables. Perfect for: Metal / Steel / Wood / Electronics / Valuables / Collectibles / Computers.2. It is powered by 2 pieces AA battery (not included in the package)， Please intall the batteries when you got the package.