The Draw-Tite 2" Class IV Trailer Hitch Ball is made of chrome-plated solid steel and engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength. When installing hitch balls, torgue 1" dia. shank balls to 250 ft. lbs. Part No.: 63845Ball Diameter: 2"Shank Diameter: 1"Shank Length: 2-1/8"7, 500-lb. GVWR rating 7, 500-lb. GVWR 2" dia. ball 1" dia. shank | Draw-Tite 2" Class IV Trailer Hitch Ball, 1" x 2-1/8" Shank, Chrome, 7,500 lbs