This Tungsten Steel Glass Breaker Pen is the ultimate multi-functional tool for everyday carry and emergency situations. With its hardened tungsten steel tip, it's perfect for precisely punching binary seed phrases onto metal plates, breaking mobile glass for repair, or shattering car windows in an emergency escape. The anti-slip design ensures maximum precision, making it easy to mark metal without the risk of slipping, while the powerful tip leaves deep, clear impressions on your backup plate. Whether you're securing your crypto with an encrypted backup or keeping it in your vehicle for emergency use, this glass breaker pen is your go-to tool.