SteelWallet is a private key cold storage wallet to securely backup the mnemonic seed phrase of your bitcoin hardware wallets (compatible with Ledger Nano S, Trezor, KeepKey...) INDESTRUCTIBLE: This cryptocurrency wallet is made with Stainless Steel making it fireproof wallet, waterproof, shockproof, hacker proof... COMPATIBLE WITH ALL BIP39 HARD WALLETS: It supports up to 24 mnemonics seed phrase (only 4 first letters needed). SIMPLE TO SETUP: No third-party people, hammer, stamping kit or bench blocks needed to backup your private seed phrase. 5 STAR EXPERIENCE GUARANTEE: Mistakes happen if you are not 100% satisfied with your SteelWallet or there are any issues with your order, just contact us!