MacPherson strut spring replacement is time-intensive job, and it can be dangerous if you don’t understand the risks. That's why it's so important that you have the right tools for the job. The OEMTOOLS MacPherson Strut Spring Compressor helps you safely compress and remove strut springs during MacPherson strut replacements, an important and routine part of maintaining many cars' suspension system that should be performed every 50,000 to 80,000 miles. This set of two strut spring compressors works in tandem to put equal forcing pressure on each side of your MacPherson strut spring so it won’t bend or deform during your strut replacement. These tools are everything you need to safely handle strut springs.