The KTR engineers have recently revised the torsionally stiff TOOLFLEX metal bellow-type coupling in detail and have come to the result that this line of cou-plings will be available as a customized compact solution with immediate effect. The new version as a two-parted flange design does not only save approx. 40 % of length compared to the standard version, but extra benefits come up by integrating the special hub design into the gearbox.