The CURT 2-5/16" Trailer Ball is a solid piece of towing equipment that's 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, the CURT 2-5/16" trailer ball can match. This tow ball is 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. (Never exceed the lowest weight capacity of any towing component.)This 2-5/16" trailer ball offers a ball capacity of 10, 000 lbs. It features a 1-1/4" shank diameter, a 2-5/8" shank length, 1" of rise, and a nickel-chrome finish to protect against the elements. To give you the power you need to tow with confidence, the CURT 2-5/16" trailer hitch ball is thoroughly tested for safety and meets U.S. VESC specifications.• Fits 2-5/16" couplers and accepts up to 10, 000 lbs. GTW• 1" shank rise for precise trailer leveling• Constructed from high-strength, hot-forged steel• Protected by a durable chrome-plated finish• Zinc-plated hex nut and helical lock washer for secure mounting• Features fine threads for superior holding strength• Tested for safety to meet U.S. VESC V-5 specificationsNOTES: 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. Constructed from high-strength, hot-forged steel Protected by a durable chrome-plated finish Meets U.S. VESC V-5 specifications | Curt 40035 Chrome 2-5/16" Trailer Ball