Wolpert Wilson Instruments is the original manufacturer of a comprehensive range of hardness testers. We cover gobal Sales and Service by an extensive authorised agent network. Wolpert Wilson are part of Instron Corp USA and the larger Test & Measurement Group of companies of ITW USA. Wolpert&＃039;s universal Dia Testor Series 700 and 900 are world famous. Specific details of our USA made Wilson hardness testers Series 500, 2000 and 2100 Tukon are also available at the Wilson USA site Wolpert and Wilson hardness products are predominately used to determine the hardness of metals, alloys, small precision parts, wire and plastics ranging from the softest bearing materials to the hardest steel. Our hardness testers are used extensively in heat treat analysis and by the automotive, aerospace, steel and transportation equipment industries. All our materials testing products conform to international standards under ISO and ASTM and are CE approved Any hardness testing related inquiry for any country in Europe, Middle-East, Africa, Asia and Australia-NZ is most welcome and appreciated. Wolpert Wilson Instruments has authorised distributors for Sales and Service in more than 40 countries. Please fill out the contact form and we will be at your service! For USA see the Wilson USA site</p>