The TP20 is a compact, kinematically switching 5 or 6-way probe. The two-part design, consisting of a styli of probe and removable styli modules, is assembled in a highly precise, reproducible manner using a magnetic coupling. This enables manual and automatic switch module changes without time-consuming recalibration of the stylus tips. This leads to a significant time saving in the measurement process. The probe modules with different probing forces enable optimal adaptation to the respective measuring task. Extended styli modules are available, as is a 6-way styli module. The connection thread allows the use of all Renishaw M2 styli. The TP20 system can be easily retrofitted and is compatible with existing interface units for switching probes as well as with extensions and adapters.