Package Contents: You will receive 1 piece of idler, 2 pieces of bearings, 1 piece of gasket and 1 piece of bolt. Enough for your daily uses and replacement. Compatibility: Our pool cleaner parts are compatible with for Polaris 280 180 and some other pool cleaning machines. Premium Materials: The pool cleaner parts are made of good-quality ABS material, strong and durable. You can use with confidence. Easy to Install: Our cleaning machine is easy to install without special tools and simple steps, allowing you to easily replace it without spending too much time and effort. Practical Accessories: Our pool cleaner wheels and wheel bearings make your cleaning machine more efficient, move efficiently while preventing tire damage to the pool bottom, and are suitable for any pool surface. Colour:As Shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 piece * idler 2 pieces * bearings 1 piece * gasket 1 piece * bolt