RadioShack DeoxIT D5S-6 Spray Contact Cleaner and Rejuvenator with Perfect Straw - 5 oz.
Brand: RadioShack

DeoxIT #D5S-6 Spray is a fast-acting deoxidizing solution that cleans, protects, lubricates and improves conductivity on all metal connectors and contacts.
Use it as a general treatment for connectors, contacts and other metal surfaces and on non-critical metal surfaces with severe oxidation and corrosion.
DeoxIT dissolves the corrosion and protects the surface.
RadioShack Cat. No. 6400249 (640-0249)

Fast-acting deoxidizing solution
Cleans, protects and lubricates connectors and contacts
Improves electronic connections