Reese Towpower hitch ball is designed to facilitate easier, safer towing. The 1-7/8" diameter ball features a convenient hex design which allows for a one-wrench tightening system when used with a Reese Interlock ball mount. Durable chrome construction is carbon-forged for superior strength and designed to resist corrosion. Engineered to meet J-684 safety standards. Shank: 2"L x 1" diameter. 3,500-lb weight limit.