[BIP39 Wallet Supported: 12/18/24 Seed Phrases] Compliant with the BIP39 mnemonic word list, where the first four letters of each of the 2048 words are unique. You only need to record the first four letters of each word to accurately restore the full mnemonic phrase, simplifying the backup process

[User-Driven Design: Thicker and Tighter] Don’t worry about the seed phrase being moved or out-of-order after tightening the tile. We made the plate thicker than others, and provide sufficient screws to tighten your recovery phrases

[Laser-Engraved Characters] The characters are laser-engraved on the stainless steel tile, which is smudge-free, fireproof (It resists temperature up to 3632°F/ 2000°C), waterproof and anti-corrosion. Keep the seed phrase safe forever and ever

[100% Hacker-Proof Physical Security] Non-electronic design ensures no risk of hacking, providing an ultra-secure, physical backup solution for your cold wallet

[Equipped with laser-engraved letter blocks] that provide clear and durable markings, preventing blurring or wear over time or due to environmental factors, ensuring long-term readability

If an extreme situation occurs where alphabet blocks are insufficient, please contact our customer support at [email protected] for assistance.

[What’s in the box] 1 x HeirBOX S1, 3 x metal letters plates, 1 x screwdriver, 3 x screws, 1 x instruction