MeterCleaner Wipes are pre-moistened with an industrial strength cleaning formula that removes surface dirt, oil, and grease from your test tools and accessories to give your meter and test tools that new “professional” appearance. MeterCleaner formula is safe on rubber and plastic as well as being safe to the environment. It is also the same formula used by Fluke’s own service labs. The individual packet size is ideal for keeping in your toolbox or glove compartment for quick clean-ups.