WD-40 is an all-purpose liquid for displacing moisture, corrosion control, lubrication, cleaning and penetration. Its formula will not affect fabrics, rubbers or plastics, working in temperatures from -70C to 160C The WD-40 Smart Straw 450ml is a perfect multi-purpose tool for use in the garage, garden or home. The clever Integral Smart Straw system means that you will never lose the straw and allows you to control the output of solution. Simply aim the straw for precision or achieve a wide spray without the straw. - Sprays 2 ways (Precision or Wide) - Stop squeaks - Drives out moisture - Cleans and protects - Loosens rusted parts - Frees sticky or jammed mechanisms - Silicone free - Pack size: 450ml This product has over a thousand uses including removing a tight ring of your.