FLUID FILM BLACK® is a penetrant and lubricant also used for corrosion prevention. More recently they have been introduced and successfully utilized in the Automotive and snow handling industries as a vehicle undercoating.
Complete Fluid Film Black Pro Undercoating Gun - 2 Wand Kit (3 W Quart Bottles)
3 PACK!! Fluid Film Black AS11B Undercoating Protection Rust Inhibitor Spray Can
Fluid Film Black Undercoat Corrosion Penetrant & Lubricates USA Made
2 ~ Fluid Film Black Powerful Rust & Corrosion Protection Superior Undercoating
6PACK... AS11B Fluid Film Black Powerful Rust&Corrosion Protection 11oz