DeFelsko Corp. a U.S. manufacturer of coating thickness gauges and inspection instruments, has been delivering simple, durable and accurate gauges since 1966. Family owned and operated in northern New York, their state-of-the-art facility houses research, development, manufacturing, quality, sales, and service departments. At present DeFelsko has more than 70 models of coating thickness gauges and inspection instruments designed with unequaled handling characteristics and easy, trouble-free operation. They are simple to use and employ leading-edge technology, and come with a 30 day money-back guarantee.