The toolholder allows external cooling (via adjustable and pluggable coolant nozzles) and internal cooling.
The tool holder is supplied with 3 plugs so inner coolant can be used when 4 tools are not mounted. Due to the distribution of the internal coolant channels, it is possible to have internal coolant available if 4 tools are mounted.
The toolholder is reversible. This means that the tool can be mounted facing the left spindle or the right spindle.