1. Durable: Made of quality carbon steel for durability and longevity; bearings withstand forces to easily compress springs; this valve compressor tool is coated with black oxide for rust and corrosion resistance. 2. Quickly Remove Valve Springs: The Overhead Engine Valve Spring Compressor Tool is designed to quickly and easily remove and worn or broken valve springs from your vehicle. 3. Safe and Efficient Design: Compressing springs can be difficult and dangerous, but this spring compressor features differentlength jaw handles that attach easily to the valve spring to keep the part secure. The overhead design allows you to easily attach the tool to valve springs without removing the cylinder head, enabling quick removal and installation. 4. Fits Your Vehicle: With this valve spring tool, you can easily remove valve springs in passenger cars and commercial vehicles. This compression tool works on foreign and domestic vehicles, including those with double springs and inner/outer springs.