Tri Ball Mount w/ Hook Ball Mount Style Ball Mounts with Hitch Ball Ball Diameter 1 7/8 in Compatible Ball Diameter 1 7/8 in 2 in 2 5/16 in Compatible Ball Shank Diameter Not Applicable Compatible Hitch Size 2 in Gross Towing Weight Capacity 6 000 lb 7 500 lb 10 000 lb Gross Vehicle Weight Capacity 6 000 lb 7 500 lb 10 000 lb Pin Hole to Hitch Ball Distance 8 in Material Steel Finish Powder Coated Resistance Properties Corrosion-Resistant