Curt 2 5/16" Trailer Ball, 2" x 3-1/2" Shank, 30,000 LBS, Raw Steel • 40088

The CURT 2-5/16" trailer ball does not mess around. Simply put, it is a solid piece of towing equipment that makes all others look like they're just spinning their wheels. CURT 2-5/16" trailer balls are made with expert engineering to be packed with strength and durable enough to withstand the harsh wear of heavy-duty towing. Anything your class 5 trailer hitch and class 5 ball mount can handle, CURT has a 2-5/16" trailer ball to match. These tow balls are perfect for towing all types of heavy receiver-style trailers, including dump trailers, toy haulers, farm trailers, chopper boxes, dual-axle utility trailers, deluxe RVs, small yachts and more

• Fits 2-5/16" couplers and accepts up to 30,000 lbs. GTW
• Constructed from high-strength raw steel
• Heat-treated for optimum wear resistance
• Zinc-plated hex nut and helical lock washer for secure mounting
• Tested for safety to meet U.S. VESC V-19 specifications
• The mounting platform must be at least 3/8" thick, and the hole size must not be more than 1/16" larger in diameter than the threaded shank
  
• Limited lifetime warranty (one-year finish, one-year parts)