Curt heavy-duty welded ball mounts are the pinnacle of the receiver-style ball mount design. They are built from CNC-formed steel and are robotically welded to be strong, clean and precisely fitted. These ball mounts have the towing power to match our Class 5 hitch line, offering a gross trailer weight capacity of 15,000 lb and a tongue weight capacity of 1,500 lb. This makes the heavy-duty ball mount a perfect fit for the heaviest trailers to hit the road, including small yacht trailers, double-axle utility trailers, toy haulers, car haulers, RVs and more. This particular Curt heavy-duty ball mount comes with 5 in of drop, 3-1/2 in of rise and has a length of 10 in. It is equipped with a 1-1/4 in trailer ball hole and features a 2-1/2 x 2-1/2 in shank. To keep our Class 5 ball mounts well protected, we coat each one in a durable gloss black powder coat finish. This makes them rust-resistant, scratch-resistant and UV-resistant for a long-lasting towing solution. No matter where you find yourself every day the construction site, the industrial park or the open fields - when you need towing equipment that will work as hard as you do on the job, trust Curt heavy-duty. Our Class 5 ball mounts are tough as nails to make heavy-duty towing look easy. They are the perfect complement for your full-size pickup, SUV, flatbed or other commercial truck.