Made of high-quality aluminum, ensuring proper piston ring clearance. Our manual piston ring filer quality requirements exceed standards and are 100% factory-inspected. The manual piston ring filer replaces 66785 66786. Simple to use; firmly rest the piston ring on the positioning pin, shake the handle to turn the grinding wheel. The piston ring filer can file piston rings more quickly and accurately, providing enhanced performance., Weight: 1.76149347338 Pounds, Manufacturer: Frewurwer