Keep your air compressor running smoothly with these durable oil-blocking components. The gaskets are crafted to provide a leakproof seal, preventing oil from escaping. Ideal for both professional and DIY applications, they help extend the lifespan of your equipment while ensuring optimal performance. Features -Color:Black -Material:Plastic -Size:8.00X8.00X1.20cm/3.14X3.14X0.47in -Size:7.20X7.20X1.20cm/2.83X2.83X0.47in -Optimal oil sealing: ensures leakproof sealing to prevent oil leaks, supporting the stable operation of your air compressor -Durable and practical: made from wear resistant materials that extend the lifespan -Appropriate sized: precisely designed to fit a wide range of air compressor models, making installation straight forward and quick -High temperature resistance: built to withstand extreme temperatures, ensuring your equipment operates efficiently in all conditions -High efficiency: features a low friction design that reduces consumption, enhancing the overall performance of your air compressor Package list: 4 x Air Compressor Pump Rings (80mm) 4 x Air Compressor Pump Rings (72mm)