Koopa Instruments manufactures digital hardness testers to test various materials, components, and structures in most environments. Our hardness testers have been used in R&D groups, research labs, and quality control departments. We offer all required accessories and tools for our systems so that they can be used for different hardness testing methods and standards. For more than 20 years, Koopa has stood for reliable test results, excellent services, and quality and reliability in material and component testing.