Connor Hitch Ball - 2" Ball Hitch (GTW- 7500 lb.), 1612520 Trailer Ball HEAVY DUTY TOWING CAPABILITY  7,500 lb. GTW allows your truck to pull heavy loads FITS STANDARD 2" COUPLERS  2" ball diameter, 1" shank diameter, 2-1/8" shank length STRONG AND SECURE FIT IN YOUR HITCH SETUP  14 fine threads per inch allow for secure holding strength SECURELY TIGHTEN TO YOUR SPECIFIC NEEDS  Hex nut and lock washer allows for adjusting to the thickness of your ball mount CONSTRUCTED FROM HEAVY DUTY SOLID STEEL FOR SUPERIOR STRENGTH  Exceeds SAE J-684 standards for constant usage, Chrome-plated for rust and corrosion resistance