Concurrently actions axial and torsional strains at higher temperatures on specimens analyzed in axial/torsional devices. This product was designed for minimal Call force programs with break up type components tests furnaces or induction heaters. For fracture mechanics research, these COD gages are in compliance with standardized test methods, for example https://www.nathanisoconsulting.com/iso-17025-certification-in-saudi-arabia.htm