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

Replacement clear acrylic inner lid with handle for pre-1999 Caretaker Leaf-B-Gone canisters

This part is white and comes with the axle required for the medium turbine to rotate around and transfer its power to the other parts of the cleaner above that need it to operate

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.