13.56Mhz Custom NFC Tags UID Keyfob Block 0 Rewritable

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M1 Classic 1K NFC 13.56mhz UID tags. Compatible with Flipper Zero & Proxmark3. Fully writable, waterproof, and dustproof. Perfect for replacing lost access cards. Simply reprogram the UID to match the original card—no need to re-enroll. Ideal for access control, hotel locks, attendance systems, and more. Writing requires a UID-capable reader. Show more