this listing is for a 2 pack of The RC tire wheel balancer adapters only for Losi Nascar wheels is a versatile accessory designed to work with Losi Nascar wheels and adapt them to existing 10th scale balancer hubs. This adapter is specifically tailored for Losi Nascar wheels, providing a secure fit for precise balancing of tires. Whether you are a hobbyist looking to upgrade your chassis or a competitive racer seeking improved performance, this wheel balancer adapter offers convenience and accuracy in your RC vehicle maintenance. Please indicate your choice of color in the buyers notes or i will send what i have available. See my other listings for more losi nascar accessories and complete wheel balancer setups.