Flexible Shaft Couplings are capable of absorbing the static and dynamic misalignment which inevitably occurs between two nominally in line rotating shafts. The new generation of UNISOFT spiders is the best subject matter of a thorough CAD analysis and practical dynamic tests. Also available couplings in ready to install finished bores. Today UNISOFT is a famous name in the field of mechanical power transmission couplings, and has the expertise to offer the most optimal drive line solution, either from the standard manufacturing programmer comprising of over two hundred design combinations, or by manufacturing a tailor made coupling for a specific application. UNISOFT couplings are torsionally flexible and capable of attenuating the torsional oscillations because of the damping characteristics of the spider and the drive inserts. They are fail safe and assist to restrain body resonance and contribute to noise reduction.