A system for the after-treatment of parisons (7) produced in an injection molding mold, comprising at least two after-treatment tools. To provide a system for the after-treatment of parisons produced in an injection molding mold, by means of which a plurality of after-treatment tools can be easily positioned, it is proposed in accordance with the invention that there is provided a positioning device for positioning the first after-treatment tool in at least one positioning direction, and the at least two after-treatment tools are connected together so that with the positioning device for positioning the first after-treatment tool at least one further after-treatment tool can be positioned by suitable positioning of the first after-treatment tool.