This rubber flex coupling is the perfect solution for my industrial and scientific needs. When I tried this product, I was extremely pleased with the flexibility and durability. It provided excellent vibration damping and handled high torque loads with ease .The coupling`s compact design made installation quick and easy. However, the only downside I found was that it was slightly more expensive than other couplings in the market. Nonetheless, I highly recommend this coupling for those who want exceptional performance in their equipment..