Feature:1. Plastic Material: This pool cleaner wheel ball bearing part is made of premium plastic material, which is sturdy, with high durability and long life.2. Compatibility: C60 wheel ball bearing isn't designed for a single design, but it is designed for multiple designs, suitable for Polaris 180 and 280.3. Great Performance: The C60 wheels can repair the loose swing wheel, keep the cleaner in great performance, and ensure that it is around the underground swimming pool.4. Easy Installation: Using C60 wheel bearing is a convenient way to quickly replace or repair the old part, no need for tools, just connect the product to the wheel of the cleaner.5. Details: The size of the wheel ball bearing is about 28x10mm/1.1x0.4in, the inner diameter is about 15mm/0.6in, stable, flexible and practical.Specification:Item Type: Pool Cleaner Wheel Ball BearingMaterial: PlasticWeight: Approx. 25g/0.9ozProduct Size: Approx. 28x10mm/1.1x0.4inInside Diameter: Approx. 15mm/0.6inPurpose: Pool cleaning equipment.Package List:4 x Pool Cleaner Wheel Ball Bearing