ISO 10889 applies 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 more than one rectangular seat of types D1 and D2 with cylindrical shank in accordance with ISO 10889-1. For non-standardized tool holders with more than one rectangular seat, such as tool holders as shown in the drawings, it is recommended to apply the corresponding specifications of this part of ISO 10889.