In materials and component testing the range of applications where extensometers are used is extremely diverse. As a result, the technical requirements for these devices are multifaceted, and means that there is no single device which satisfies all needs. The Zwick Roell Group believes that it offers its customers the widest range of technical advice, products, and solutions. Users of Zwick testing equipment benefit from the wide range of extensometers available, as well as expert advice and consultation together with the possibility to carry out pre-testing in the applications laboratory before purchase to make sure that the optimum device is chosen for each testing application.