The NesCLEANER is an internal thread clean tool. This easy-to-use tool works by placing the blade between the inner thread slots. Once the tool fits into a thread slot, begin clean the threads by simply rotating the tool. Comes equipped with a blade made of hardened steel. NesCLEANER is the ideal tool for saving money and peace of mind during maintenance, plumbing, construction, agriculture, vehicle repair and many other applications where there are damaged wire components. Compare the cost of disassembling the part to replace a component versus INSTANT cleaning to be done with NesCLEANER.