REESE STRAIGHT LINE 1700 LB WEIGHT DISTANCE HITCH WITH DUAL CAM SWAY CONTROL. ON 1700 LB WEIGHT BARS IT SAY TO USE WITH 2.5 '' RECIEVER,DEALER INSTALLED ON 2' INCH RECIEVER SAYING ITS OK. MY TRAILER CAME UN-HOOKED WHEN TOWING CAUSING MAJOR CRASH AND DAMAGE. *LA