... black or chrome balls in all three towing ball sizes (1-7/8", 2" and 2-5/ ... 16") on one shank. The TRI-BALL offers black or chrome balls in all three towing ... " and 2-5/16") on one shank.Ball Capacities1-7/8" Ball 6,000 lbs. M.G.T.W.2 ... T.W.2-5/16" Ball 10,000 lbs. M.G.T.W.Tri-Ball Hitch,1-7/8", 2", 2 ... -5/16" BlackTri-Ball, Black Towing Balls, Tubular ShankTri-Ball Hitch,1-7/8", 2", 2-5/16 ...