WD-40 Multi-Purpose Oil is an organic mixture consisting of a highly purified mineral oil distillate. It has moisture-repellent, corrosion-preventing, cleaning and lubricating properties. Lubricates: hinges, casters, levers, springs, pins, handles, windows, pedals, office chair mechanisms, etc. Repels moisture from: metal surfaces, electrical contacts, tools (including garden tools), motorcycles and other engines. Cleans and protects: removes carbon stains, grease, tar, resin, glue. Softens water deposits. Leaves a protective layer against rust and corrosion on the surfaces of bicycles, strollers, chrome parts, motorcycles and various engines. Frees rusty surfaces: penetrates and frees rusty, stubborn parts, such as rusted nuts, bolts, cables and other fasteners. Cleans various mechanisms: loosens and lubricates door locks, zippers, sewing machines, joints and cables.