Crypto Steel Bitcoin Wallet, Seed Phrase Plate for Hardware Cold Backup, Storage Compatible with All BIP39 (3 Plates)

Hardware Wallet Backup is made of 304 stainless steel with a melting point of over 1371°C( 2500 °F), designed and tested to preserve, fireproof, waterproof, shockproof.Ensure the security of the private key/mnemonic phrase Compatible with all BIP39 wallets & hardware wallets, and supports up to 12&24 mnemonic phrases Our steel wallet is unmarked on the outside, and provides a tamper-proof sticker. Unique holographic stickers are used to seal crypto wallets and provide evidence of tampering. Damaged or replaced stickers indicate whether your Bitcoin steel wallet has been opened. Each seed plate 118mm*87.5mm*1.5mm.Intense laser engraving on steel plate prevents letters and lines from being damaged.According to BIP39, the first 4 letters of each word in the mnemonic list are different, and four letters can be used to represent a unique mnemonic Includes Three plates for crypto seed storage, Two security seal stickers, screws*4 and Center punch*1（Additional engravers or letter stamping tools are not required）