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Is this the stainless steel that it's supposed to be? Can I conduct the same quality assurance inspections that my customers use? Can I assume foreign imports are what they claim to be? Is my stock labeled correctly? Inspect it yourself!  APPLICATIONS: Inspect tanks, pipes, raw stock, finished parts, and more!  Confirm Stainless Steels and Nickel Alloys such as SS 316 vs. SS 304 stainless steel with a simple test for moly (molybdenum).  Identify Inconel and Monel, and other Common Steels Pull stock rod SS400 from a pile of SS300 with a one-minute test for nickel. Verify an alloy such as Monel by getting a positive test for nickel and copper. Some of the many metals that can be identified: (302, 304), (309, 310), (316, 317), 316L, (414, 431), (400 Series), (Monel), (Nickel Silvers), Inconel 600, Inconel 625, Inconel 750, Incoloy 825, Carpenter 20Cb3, (Incoloy 800 Series), Crucible 26-1, Hastelloy 8, Hastelloy C, Hastelloy X, and many others. Alloys in brackets are indistinguishable from each other but can be distinguished from the other alloys in this list. FEATURES: QC inspection approved Portable - uses the reliable Electro-Spot Method Easy, and only 20 seconds per test. Non-destructive NDT Most Economical Choice Includes supplies for hundreds of tests Includes a stamped metal reference standard and an excellent variable current source, the ElectroSpot II Built-in auto-timer, the only one of its kind, helpful for differentiating similar alloys by keeping accurate sampling times Neatly packaged in a durable, heavy-duty, shock-resistant carrying case TEST PROCEDURE: Place a test paper on your metal Place a drop of solution A onto the paper Apply current to the moist spot using the Electro-Spot Follow with the addition of solution B A vibrant color develops, revealing the composition! HOW IT WORKS: How can alloy inspection be so easy? Color spot tests isolate and identify the single distinguishing element that separates the alloy you want from the one you