WD-40 is a trusted and proven problem solver that has so many uses and works so effectively it is found in tool boxes, work shops, garages and factories around the world. It is an essential problem solver in any maintenance environment. WD-40 is a true Multi-Purpose product. It lubricates, cleans & protects, loosens rusted parts, frees sticky mechanisms and drives out moisture to prevent rust & corrosion. WD-40 is available in sizes and delivery methods to meet every need.