Details
CURT 40009 Chrome Trailer Hitch Ball, 20,000 lbs, 2-5/16-Inch Diameter, 1-1/4 x 2-3/4-Inch Shank

RELIABLE STRENGTH. This trailer hitch ball is rated to tow up to 20,000 pounds gross trailer weight. It is constructed from hot-forged steel for reliable towing strength and confidence on the road ahead
PRECISE FIT. This tow hitch ball has a 2-5/16-inch diameter to fit virtually any 2-5/16-inch coupler. The ball shank has a 1-1/4-inch diameter and measures 2-3/4 inches long for secure attachment to a trailer hitch ball mount
CORROSION-RESISTANT. For long-lasting resistance to rain, dirt and rust, this hitch ball is finished in a durable, protective chrome plating
SECURE INSTALL. For dependable strength, this trailer hitch ball comes with a zinc-plated hex nut and helical lock washer. It also has fine threads for an enhanced hold on the ball hitch (450 lb.-ft. torque required)
TESTED FOR SAFETY. To promote the highest level of safety while towing, this CURT tow ball is tested to U.S. VESC specifications