Universal Compatibility: These replacement wheels are designed to fit most air compressors, making them a versatile choice for upgrading or replacing your current compressor wheels. Sturdy Construction: Made from quality engineering plastic, these air compressor wheels offer long term performance and reliability, ensuring your air compressor remains mobile for years to come. Enhance Mobility: The replacement air compressor wheels facilitate easy movement, significantly improving the portability of your compressor and allowing you to transport it with ease. Easy Assembly: With a straightforward assembly process, you can quickly attach these air compressor wheels to your air compressor without any hassle, saving time and effort. Package Details: Each package includes two air compressor wheels, providing an ideal solution for those looking to enhance their equipment's stability and mobility (screws not included). Specification: Material: Engineering Plastic; Size Chart: Diameter 12.1 cm/4.76 inch, Hole 16.5 cm/6.50 inch, Thickness 2.6 cm/1.02 inch (Optional); Diameter 14.8 cm/5.83 inch, Hole 1.65 cm/0.65 inch, Thickness 2.7 cm/1.06 inch (Optional); Diameter 9.5 cm/3.74 inch, Hole 1.2 cm/0.47 inch, Thickness 2.2 cm/0.87 inch (Optional); Diameter 12 cm/4.72 inch, Hole 1.6 cm/0.63 inch, Thickness 2.8 cm/1.10 inch (Optional); Diameter 14.2 cm/5.59 inch, Hole 1.6 cm/0.63 inch, Thickness 2.8 cm/1.10 inch (Optional). Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.