Hammerite Metal Paint Hammered Black Direct to Rust 2.5L Tin 19.01.01 No more expense and waste No more expense and waste of individually wrapped plugs • Suitable for environments with a medium to high level of noise• The best choice in high frequency noise situations • Smooth telescopic size regulation• Non conductive• Conforms to EN352• Clips straight into the Zenith helmets without an adapter• Requires KAWAC00003 bayonet adapter for the plasma helmet (sold separately)SNR rating dependant on helmet combination:• Plasma Hammerite Metal Paint Hammered Black Direct to Rust 2 A washable product which cannot be thinned and is applied by brush or roller