Loosen stuck or seized parts quickly and easily with WD40 Fast Release Penetrant The WD40 44362 Specialist Fast Release Penetrant Spray specifically targets corroded or rusted components and mechanisms. It has an extremely low surface tension, meaning it can cut through rust, seams and tightly-bonded threads to easily saturate and lubricate seized fixings. The Smart Straw and 360° valve allow it to be used precisely at all angles. Features: Quickly penetrates and releases rusted or corroded parts Loosens seized fixings and mechanisms Lubricates to prevent rust and corrosion Low surface tension formula Great for hard to reach places Specification: Size: 400ml Pack Qty: 12 Pack