After trying these adjustable gripping fittings I can say that they are a fantastic solution for various industrial and scientific applications. The material quality and craftsmanship are top-notch, and the adjustable feature allows for versatility in gripping different shapes and sizes. One potential downside is that the adjustments can be a bit finicky, requiring a bit more attention to detail, but this doesn't detract from the overall effectiveness of the product. Overall, a great addition to any industrial toolkit!