WD-40, 11 OZ, Specialist Rust Release Penetrant Spray, Frees Corroded Nuts & Bolts, Penetrates Rust, Fast Acting, Penetrates Into Tight Crevices, Threads & Seams To Break The Bonds That Hold Stuck Parts Together, Helps Prevent Rust & Corrosion From Re-Forming & Leaves Behind A Lubricating Layer, With Blu Torch Technology, A Unique Blend Of Solvents, Metal Working Fluids, & Surfactants, Use On Nuts, Bolts, Threads, Locks, Chains & Rusted Things That Are Stuck & Won't Move, Safe To Use On Plastics, Rubber, & Metal, 50 State VOC Compliant.