HITCH BALL 2-5/16 X 1 X 2-1/8 HITCH BALLS According to the Manufacturer Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength. Select the correct ball for the coupler on your trailer. The ball diameter required is stamped into the coupler handle or body. Ensure the trailer ball shank fits the thickness and diameter of your drawbar ball mount or step bumper. Shank 1 x 2-1/8 GTW 6 000 lbs. Material Chrome Ball