2.  The listing sells as 4pcs gasket rings.

3.  The gaskets are to prevent the wheels hexagon loose or tight, and prevent the hexagon from falling off.

4. pls feel free to contact with us if you have any questions about the products.

Email: zhengcaijiwu@126.com

5.  We will ship the package when we have received the orders within 1~2 days.