I recently purchased a set of compression springs from the Springs category of Industrial and Scientific Power Transmission Products. As a result of my tests I determined that these springs deliver top-notch performance. The spiral stamping design allows for optimal compression and flexibility, making them perfect for a variety of industrial and scientific applications. Additionally, the springs are made with high-quality materials that ensure longevity and durability. Overall, I highly recommend these Spiral Compression Springs to anyone looking for reliable and efficient power transmission products .The only downside is that they may be a bit pricey compared TO other options in the market..