Electrical fine cleaner for efficient, residue-free cleaning of electrical contacts, switches, relays, controls, circuit boards, plug connectors and precision mechanical components. * Contents: 400 ml * for switches, relays, resistors, circuits, connectors, etc. * dissolves deposits such as oxides, nicotine, oils, fats and gums * frequency stable, non-conductive, prevents leakage currents * evaporates quickly, residue-free, no post-treatment necessary