Flambeau Zerust Plaques. The capsule provides up to 5 years of anti-corrosion protection. Zerust has proven to be the absolute best way to protect your tackle against rust and corrosion. Molded right into plastic this patented polymer emits a harmless vapor forming a protective layer around metal surfaces. All Zerust products will maintain their effectiveness from two to five years or more so you can count on hassle free long lasting protection. Specifications for Flambeau Zerust Plaque: Manufacturer: Flambeau Fabric/Material: Plastic Gun Type: Universal Package Contents: Flambeau Zerust Plaque Flambeau 6649ZR: Zerust Plaques