1.compatible with all EM systems, such as 3M, Dialoc, Certus and Checkpoint. Cobalt-based strips incorporating  super-thin demagnetizing slices. Easily sensitized and desensitized .

2. Single-sided 5" or 6.5" security Tags for spine insertion into hardcover books

3. Easily and quickly inserted into book spines with a bayonet

4. Virtually impossible to find and remove

5. Can be turned "off" and "on" again repeatedly while retaining their original effectiveness

6. Archival quality adhesive will not affect library materials

7.packing