Ratchet Clamp Design: The built-in ratcheting mechanism allows precise, one-hand tightening and releasing, ensuring the piston rings are evenly compressed without distortion or damage. Disassembly & Installation Tools: Comes with dedicated tools for both disassembly and installation of piston rings, helping you easily remove old rings and correctly fit new onto the piston and into the cylinder. Complete Piston Ring Service Kit: This 3/4/6 inch ratchet clamp piston ring compressor set is designed for fast and safe piston ring removal and installation, ideal for most car and light truck engines. Multiple Size Compressors: Includes 3 inch, 4 inch, and 6 inch piston ring compressor sleeves to cover a wide range of cylinder diameters, improving compatibility with various engine types. Construction: Made from high-strength steel with finish for long service life, stable clamping force, and consistent performance in workshop and home-garage environments., Weight: 2.645547144 Pounds, Manufacturer: Teuypty