Item Type: Pool Cleaner Wheel Ball Bearing_x005F_x000D_Material: Plastic_x005F_x000D_Weight: Approx. 25g/0. 9oz_x005F_x000D_Product Size: Approx. 28x10mm/1. 1x0. 4in_x005F_x000D_Inside Diameter: Approx. 15mm/0. 6in_x005F_x000D_Purpose: Pool cleaning equipment 1Plastic Material: This pool cleaner wheel ball bearing part is made of premium plastic material, which is sturdy, with high durability and long life. 2Compatibility: C60 wheel ball bearing isn't designed for a single design, but it is designed for multiple designs, suitable for Polaris 180 and 280. 3Great 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. 4Easy 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. 5Details: 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.