Metal Protectant - 1qt Trigger SprayerSuper Lube® Metal Protectant and Corrosion Inhibitor provides long-term protection against rust and corrosion on any metal surface. It is non-drying, will not harden or crack and is ideal for preventative maintenance in high humidity environments.Super Lube® Metal Protectant and Corrosion Inhibitor is an NSF registered Food Grade lubricant, rated H1 for incidental food contact and meets former USDA (H1) guidelines.