Adjustable Dual Ball MountAdjustable Dual Ball Mount System, 2 Sq. Shank, 2 Ball 10,000 lbs. (GTW), 2-5/16 Ball 14,000 lbs. (GTW)Features:Adjustable height - Perfect for towing multiple trailers of varying heights and couplersHeight adjusts up to 10.52 (10K GTW) and 2-5/16 (14K GTW) Hitch ballsFits 2 receivers and rated up to 14K GTWCast shank, variable height capabilityKnurled bolt pins with secure lanyardBlack powder coat finishWARNING: 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.