Tri Ball Hitch with Hook for 2 " Hitch Trailer Receivers Mounts 3 Point Tractor Adapters Trucks SUVs RVs With 1 7/8" 2" 2 5/16" Towing Ball up 10,000 lbs Towing Capacity 3 Ball hitch receiver make rv life more convenient with different size balls and high quality sturdy hook for almost all towing applications. 1-Comes with 1-7/8", 2" and 2-5/16" welded-on balls and a tow hook. 2.) Heavy Duty Towing Without Compromise - Ball Weight Capacities 2,000 lb., 6,000 lb., 10,000 lb. GTW, Tow Hook 10,000 lb. GTW. 3.) Standard Sizing for Hitches - 7-1/2" usable length, 12" overall length, hitch pin holes on all 4 sides to accommodate each hitch ball version. 4.) Perfectly Welded for extra strength - Black powder coating prevents rust and corrosion, exceeds SAE J-684 standards for safety and security. 5.) Fits Standard 2" x 2" Hitches - Fits all Class III and IV hitches 2" x 2" hitches.