As a result of using these industrial and scientific compression springs, I found that my equipment is now running smoother than ever before. The high-quality materials used in these springs ensure their longevity and ability to handle heavy-duty applications. The only downside is that they can be slightly more expensive than other options on the market.However, the pros definitely outweigh the cons. Overall, I would highly recommend these compression springs to anyone looking for top-notch power transmission products..