WD-40 300004 11 oz. Specialist Penetrant (6 Pack)

Rust release spray frees components that have been rusted together. Protects surfaces against future corrosion. Proprietary formula penetrates into crevices to quickly free rusted threads, nuets, bolts, locks and chains. Lubricant can be used on metal, plastic and rubber. Permanently attached, hinged straw offers the option of a precision stream or fan-shaped spray.