30mm Round 0.2mm Anti-Metal NTAG213 ON-METAL Black PVC Token with 3M 9448A tissue tape can work good on metal objects, widely using for assets tagging and management.
25MM Round 0.2mm Anti-Metal NTAG213 ON-METAL White PVC Token with 3M 300SLE Tissue Tape can work good on metal objects, widely using for assets tagging and management.