What You Get: The package includes 8 replacement wheel bearings (2.86 x 2.86 cm), 4 wheel screws (2.1 x 1.74 cm) and 4 washers (2.74 x 2.74 cm); Please confirm whether the product size meets your needs before purchasing. Quality Materials: Our pool cleaner components are made of premium ABS, reliable performance and durable. You can use it safely confidence. High Compatibility: Compatible with Polaris 280 and 180 pool cleaners. Its easy installation, you can quickly replace worn or damaged parts, restoring your pool cleaner to its optimal condition. Please note that our This product is not sponsored or endorsed by, or affiliated with, the brands it represents, including Polaris. Reliable Performance: C60 wheels can repair loose swing wheel, keep the cleaner in good performance and ensure that it is around the underground pool, smooth operation. Easy to install: These wheel bearings can be easily and quickly installed, without tools, simply connect the product to the cleaner wheel. Say