Easy to install.2" receiver opening. Mounts to 4" square tube bumper of RV. Zinc plated hardware included. MGTW: 3,500 lbs. Tongue Weight: 350 lbs. Class 2 Assembly required. Retail packaging

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov