Upgrade your towing capacity with the Buyers RB1780 Replacement Ball, a durable 1-7/8 inch diameter hitch ball designed for select Buyers Products combination pintle hooks. Featuring a robust carbon steel construction with a chrome finish for corrosion resistance, it boasts a 12,000 lb GTW (Gross Towing Weight). This Class III ball includes a 1-1/8 inch diameter shank, 2-1/4 inch shank length, and a zinc-coated hex jam nylock nut for secure installation, making it the ideal replacement for long-lasting performance.