2.5" Center Hub - Matte BlackThe centerpiece in the well-designed ROCK TAMERS 2.5" Hub Mudflap System.Features: Replacement hub Fits a 2.5" hitch Bolt Kit RT052 x 2 units may be needed to secure the hub Matte Black with forged aluminum *Sold as an IndividualWARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)