WD-40 is a product that solves many problems / (2000 uses discovered by end users). WD-40 is a universal tool that protects metal from rust and corrosion, loosens rusted parts, and disperses moisture. The WD-40 product has an 18cm long flexible tube that can be bent and kept in the desired shape. Thanks to the flexible tube, it is possible to reach hard-to-reach places that need to be hit precisely. After removing the tube, it can be sprayed in a wide stream.