HITCH BALL 1-7/8" 3500LB *Brand Name: CURT *Gross Towing Weight: 3500 lb. cap. *Ball Size: 1-7/8 in. *Product Type: Hitch Ball *Number in Package: 1 pk *Material: Forged Steel *Packaging Type: Carded *Shank Diameter: 1 in. *Shank Length: 2.13 in. *Color/Finish: Silver *Class: Class I/II *Discovery ACC, SUP