Luckcrab Crypto Seed Phrase Backup – 3PCS Hardened Austenitic Steel Plates for Cold Wallet Recovery, with Electric Engraving Pen – Fireproof, Waterproof, Rustproof (No Batteries Included)

["Upgraded austenitic stainless steel with hardened processing provides exceptional resistance to fire, corrosion, and physical damage—designed to protect your seed phrase securely in any environment.","The included electric engraving pen lets you write seed phrases as easily as writing on paper. Unlike steel stamps or manual scratch pens, it requires no hammering or force—no risk of plate warping—and creates clear, permanent marks.","Besides cryptocurrency seed phrases, these plates can store important passwords, PINs, or critical dates—making them a multi-purpose, tamper-resistant stainless steel backup solution.","The set includes 3 steel plates, a user manual, locking screws, screwdriver, and an electric engraving pen. To use the pen, twist open the barrel, insert two AA batteries, and press the button to start the engraving tip rotation—simple and effective."]