TRUSCO Vibro Pen This pen can be used to engrave markings and letters on hard materials like iron. It's perfect for marking your tools to identify them as your own. Ideal for DIY enthusiasts, carpenters, and craftsmen to personalize their tools. - Brand: TRUSCO - Model Name: TR-B - Power Supply: AC100V - Application: Vibro Pen - Tip Type: Metal Tip Used only about twice, it's in excellent condition. However, the original box got dirty during storage, so I've marked it as "No noticeable stains." Thank you.