Improve electrical connections with Hosa Technology DeoxIT Contact Cleaner 3. This fast-acting deoxidizing solution is designed for use as a general treatment for connectors contacts and other metal connections. You can also use this DeoxIT cleaner to protect lubricate and advance conductivity. This cleaning agent also reduces the intermittent connections arcing and RFI and can help with wear and abrasion as well. You can use this electrical contact cleaner on any metal connectors and contacts as it will not harm any plastic surfaces. This solution comes with a bright yellow nozzle that is thin and long so you can get into hard-to-reach areas. The 5-oz container is black and red. Chemically improve any connections that you are working with by using Hosa Technology DeoxIT Contact Cleaner 3.