As an avid automotive enthusiast, I was in need of a tool that could help me with my engine work. My analysis of this product showed that it was the best fit for my needs. The Competition Cams Spring Cutter was easy to use and helped me achieve precise results. The cutter improved my engine`s performance and helped me get the most out of my car. The ONLY downside was that it required some trial and error to get used to .Overall, I highly recommend this product to anyone in the automotive industry..