TOOLFLEX is used if apart from high dynamics high torsion spring stiffness is requested from a coupling. Moreover, the basic coupling characteristics do not change with higher temperatures, either. TOOLFLEX can be used up to a maximum temperature of 200° C. The axial plug-in design TOOLFLEX-PI realizes numerous benefits in assembly. All designs are available both with 4 and 6 shafts as a standard; moreover, customized solutions representing extremely short variants with 1 and 2 shafts are possible. It goes without saying that our TOOLFLEX can be combined with our backlash-free overload hub KTR SI-Compact, too.