Features: This 20 piece maintenance set is designs for the 750W oil frees quiet air compressor, ensuring comprehensive upkeeps with high strength cylinders and Precisions grindings for durability and low noise. Featuring premium components that easy to install, this set offers robusts durability and is specifically engineered for quiet operation and oil frees performances. Ideal for professional repair technicians and DIY enthusiasts, this set simplifies routine maintenance tasks for air compressors. Perfect for use in home garages, professional repair shops, and industrial site , facilitating efficient air compressor maintenance and care. Enhances your air compressor's longevities and performances with this expertly crafted repair set , a must get for anyone search reliable pneumatic component solution. Specifications: Material: metal Cylinder: about 69x63.7x47.5mm Inner diameter of sealing Rings : about 64mm Gasket: about 98x80mm Package Includes: 20pcs Oil frees Air Compressor Repair set note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differenceS between different monitors, the picture may not reflect the actual colorful of the item.