They are Made in the USA solid brass and solid steel. If you look through some competitors listings you will see many others making these claims. Many of them are imported products with inferior metal blends. They are Cheaply made and will simply not last in regular use.
My products are tried and true. We give special quotes for large orders and OEM applications. Our Techs with over 40 years of combined experience are available Mon-Fri 8-430 to answer questions. Support small bussines, Support Quality USA made products!The item "50 pcs Heavy Duty Quick Coupler Air Hose Connector Fittings 1/4 NPT Tools Plug" is in sale since Tuesday, January 24, 2017. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Air Compressor Accessories\Air Tool Fittings". The seller is "hpcouplers" and is located in Algonquin, Illinois. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.