Piston Ring Compressor Tool,Car Accessories Car Engine Piston Ring Installer Removal Kit,Adjustable Sizes From 2-1/8" to 7",Compressor Tool and Piston Ring Pliers for Adjustable Safety Screws. [High Quality Materials]The pliers are made of high-quality carbon steel, and the compressor is made of strong spring steel, which has maximum strength, corrosion resistance, coated surface, is not easy to break and age, ensuring good durability and long service life.
eBay