After trying this product for my latest INDUSTRIAL project, I can confidently say that these springs are a game-changer. They easily fit into my machine and provided optimal performance throughout the entire project.The engineering of these springs is top-notch and they are able to handle heavy loads with ease. The only drawback is the steep price point. But, the quality and efficiency of the product definitely make it worth the investment. Overall i highly recommend these springs for any industrial and scientific applications..