K2 NANOTEC -1 is a synthetic oil treatment formulated using nanotechnology. It is suitable for petrol and diesel engines, gearboxes, differentials, and other mechanical components. It protects crucial parts without changing oil viscosity or metal elasticity. The document provides directions for using K2 NANOTEC -1 in various engines and machinery, including amounts to add and service intervals. It recommends the product for heavy-duty engines and concludes by providing contact information for the manufacturer.