Providing the highest weight capacity and the most flexibility in coupler design, CURT adjustable channel couplers are a unique option for your trailer. This type of coupler does not bolt onto a trailer’s frame the same way that a standard coupler does. It uses a pair of bolts to mount onto an adjustable eye channel to allow for easy height adjustment. The two attachment bolts also provide greater stability and less rattle. CURT adjustable channel couplers are available in either a sleeve-lock style or in a cast coupler. They come with a durable gloss black powder coat finish for corrosion resistance and range in towing capacity from 7,000 lbs. to 15,000 lbs. with 2” and 2 5/16” ball diameters available.