The jig allows you to stamp your seed phrase on to M8/24 washers, providing the ultimate offline cold wallet backup for cryptocurrencies like Bitcoin, Ethereum, Dogecoin, Cardano, and more. Crypto Seed Phrase Stainless Steel Washer Jig + 30 A2 Stainless Washers + Storage Bolt & Nut's + A-Z / 1-10 Stamp Kit.
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