ISO 10889 is applicable to tool holders with cylindrical shank for machine tools with non-rotating tools, preferably for turning machines. This part of ISO 10889 specifies dimensions, designations and complementary technical delivery conditions for tool holders with cylindrical seat of types E1 to E4 with a mounting system cylindrical shank in accordance with ISO 10889-1. For non-standardized tool holders such as tool holders with a cylindrical seat as shown in the figures, it is advisable to apply the corresponding specifications of this part of ISO 10889.