Interlocking Plates


The successor to our popular double plates has a new design with a much simpler closure. Included is an all-metal padlock seal and optionally a small Abus Titalium padlock.
Can be used with a handheld engraver or 5mm letter stamps.

Keep your seed phrase safe from water, fire and disaster. Made from extra thick stainless steel and with an easy to use seal that requires no tools to close.

All-metal tamper-evident security seal included, making it impossible to reveal the seed phrase without breaking the security seal.

This set includes:

  • Set of interlocking plates
  • All-metal tamper-evident padlock seal
  • Optional: Abus Titalium 20mm (0.8″) padlock

All our backup plates have been awarded the highest rating (AAAA) in Jameson Lopp’s Metal Bitcoin Seed Storage Stress Tests.

How to engrave your seed phrase in 10 minutes.

We only accept bitcoin payments (on-chain and Lightning).

SKU: N/A Category:


  • Material: stainless steel 316
  • Melting point: 1460 ℃ / 2642 ℉
  • Hole for optional padlock: 5mm (0.2″)
  • Dimensions: 120x58x7mm (4.7×2.3×0.06″)
  • Weight: 156gr (5.5oz)

Additional information

Locking options

With seal, With seal and padlock