Product Dimensions: This product has an inner diameter of 75mm, an outer diameter of 85mm, and a thickness of 6mm. Manual measurements, please allow for slight errors. Compatibility: This product is suitable for hydraulic pumps, hydraulic actuators, valves, filters, fuel tanks, and more. Material: This product is specially designed with rubber for a long lifespan and resistance to damage. Easy Installation: Direct replacement without adjustment, ensuring perfect compatibility and high reliability. Product include a total of 2pcs Hydraulic Seal , which can completely meet your daily use needs and replacement., Weight: 0.0661386786 Pounds, Manufacturer: Be In Your Mind