Hayward TriVac 500 Rear Wheel Kit BIO-DEX ALGAECIDE The shaft itself is plastic

The shaft itself is plastic and the turbine on its end is gray

Use the Gamma 4 Installation Tool (Metal) for easier removal and installation of the cleaning head

These brushes help by getting these items near the center and large mouth opening of the Great White and Dorado where they can be sucked out of the pool and into the filtration system

this makes it easy to remove or replace it as It does wear and deteriorate taking the brunt of the damage when hitting the walls or steps in the pool as it operates

Hayward TriVac 500 Rear Wheel Kit BIO-DEX ALGAECIDE The shaft itself is plasticThe rear wheel kit is a replacement part that is made by Hayward and used the same high grade materials that were used to make the original factory parts. This makes them genuine OEM parts that all our customers can trust. This part is designed to spin while allowing the tires to help the cleaner grip and move along the bottom surface of your pool, as well as climb up and down the pool walls providing a deep clean for the entire surface of the pool.