This standard specifies the terms and definitions, models, specifications and basic parameters, requirements, test methods, inspection rules, signs, Encasement, transportation and storage of leather softness testers. It is suitable for special instruments for non-Destructiveness softness testing of leather materials in the leather processing industry. The terms and definitions section clarifies the concept of leather softness, that is, the distance that the leather material clamped on the test hole extends under a given load. The standard refers to the necessary normative reference documents, such as the general provisions of the instruction manual for industrial products, signage and general technical conditions for Encasement, etc.