For heavy-duty towing look no further. This adjustable height dual-ball system can handle towing up to 14,000 lbs. of GVWR and tongue weights up to 1,400 lbs. The receiver unit is a dual-position solid steel 2" shank with a ball-attachment platform that has 1" incremental height adjustments. The 2-5⁄16" and 2" solid forged-steel balls have chromate zinc coating for superior rust prevention. An incorporated anti-rattle device eliminates rattle between the shank and ball mount.