Stock colour: Blue
KNR was originally developed specifically for the aviation industry to secure doors - cargo hatches on planes staying overnight at airports - KNR can also be used to secure car hoods - and many other things.
KNR does not leave adhesive residue on the surface, but in the label / label seal itself, an OPEN / VOID message appears if the label / label seal has been attempted to be removed.
Typical application: Toolboxes, drawers, doors, cabinets etc.
