VERY NICE STRONG REAR TRAILER HITCH WITH THE EXTENDED BARS (same as you would mount a trunk) FOR THE A THAT HAS THE REAR MOUNTED SPARE TIRE.THIS WILL ONLY FIT ON THE 30-31. THE BALL SIZE IS 1 7/8" AND MOUNTS BETWEEN THE BUMPERS USING THE FOUR (4) EXISTING BOLTS AND NUTS. IF THE BOLTS ARE TOO SHORT,JUST REPLACE WITH LONGER BOLTS AND THE SAME LOCK WASHERS AND NUTS. E-MAIL FOR PHOTOS AT amodelanut@aol.com