Chemtronics CW7400, CircuitWorks Gold Guard Pen, 0.3oz Pen

CircuitWorks Gold Guard Pen is engineered to clean, lubricate and protect gold, silver, platinum and other precious metal contacts. It is a high performance contact cleaner and lubricant dispensed by a convenient marker pen delivery system. The Gold Guard lubricant offers protection from oxidation and corrosion while improving contact and conductivity.