... application 2. Compatible with 3M, Gateway, Dialoc or other EM systems 3M EM label, Meto label substitute 3M tattle tapeCertus, Checkpoint, Sidep ... label Used in all EM system Material:the same as 3M magnetic stripSpecification:-16.5cm cobalt-based magnetic strip-12 ... fit deeply into gutter, impossible to find and removeCompatible with 3M, Gateway, Dialoc or other EM systemsCannot be shielded by ...