UnionKey Store
Steel backup ultra
Steel backup ultra
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Offline. Untouchable. Unbreakable.
In the world of digital assets, true security begins offline. The UnionKey Steel Backup stands as your final barrier against data loss — preserving your private keys beyond the reach of hackers, hardware failure, or time itself.
Technical Specifications
Size
50 x 30 x 4 (mm)
Weight
14g
Materials
Titanium Alloy TC4
Engineered for extreme endurance.
Built with aerospace-grade titanium that can withstand temperatures up to 1668°C, the Steel Backup ensures your crypto recovery data stays intact through fire, pressure, and time itself.
Immune to the elements.
Engineered to resist water, humidity, and corrosion — ensuring long-term data integrity even in harsh environments.
Automatic center punch
Forget fragile markers or fading ink — true security is carved in steel.
The automatic center punch built from hardened steel with a spring-loaded core, just press and click — each impact leaves a precise, indelible mark that no time, fire, or corrosion can erase.