DeoxIT® D-Series is a general purpose treatment, for all metal surfaces with oxidation and corrosion. If there is a discoloration of the metal (visual signs of oxidation/corrosion) – it is considered oxidized. Use DeoxIT® D-Series to dissolve contamination, improve the connection as well as lubricate and protect the surface. Key Features + Removes oxidation & corrosion+ Lubricates & seals connections+ Improves conductivity without causing shorts+ Virtually eliminate intermittent signals+ Improves signal quality+ Increase data speeds+ Ideal for stationary and parts subject to vibration+ Reduces wear and abrasion+ Actively displaces moisture & contaminates For reference, DeoxIT® D-Serieshas approximately 20% deoxidizing action. Where To Apply + ALL Metal Connections+ Batteries, Light Bulbs+ Switches and Relays+ Jacks and Plugs+ Harnesses, Grounding Blocks+ RCA jacks, XLRs, USB, HDMI, Ethernet, etc.