Profile: Wilson Instruments supplies a comprehensive range of hardness testers from Rockwell, Microindentation and Brinell to complex production automation systems that include test blocks, accessories & fixtures. Our products are used to determine the hardness of metals, alloys, small precision parts, wire & plastics ranging from the softest bearing materials to the hardest steels. Our hardness testers are used extensively in heat treat analysis and by the automotive, aerospace, steel & transportation equipment industries.