As the world's leading provider of hardness testing instruments, the Wilson® Hardness Group - Wilson, Wolpert, and Reicherter, supplies a comprehensive range of hardness testers from Rockwell, Knoop/Vickers, and Brinell to fully automatic production systems. Our testers are complemented by a range of test blocks, accessories, and fixtures, and our calibration laboratory is recognized as the global leader in the production of premium test blocks and indenters.